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-rw-r--r--drivers/target/Makefile3
-rw-r--r--drivers/target/target_core_configfs.c76
-rw-r--r--drivers/target/target_core_fabric_configfs.c209
-rw-r--r--drivers/target/target_core_stat.c1810
-rw-r--r--drivers/target/target_core_stat.h8
-rw-r--r--include/target/target_core_base.h35
-rw-r--r--include/target/target_core_configfs.h4
7 files changed, 2127 insertions, 18 deletions
diff --git a/drivers/target/Makefile b/drivers/target/Makefile
index 050ee6569b2b..4f3cb788f06a 100644
--- a/drivers/target/Makefile
+++ b/drivers/target/Makefile
@@ -12,7 +12,8 @@ target_core_mod-y := target_core_configfs.o \
target_core_transport.o \
target_core_cdb.o \
target_core_ua.o \
- target_core_rd.o
+ target_core_rd.o \
+ target_core_stat.o
obj-$(CONFIG_TARGET_CORE) += target_core_mod.o
diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c
index a38fec4acceb..a5f44a6e6e1d 100644
--- a/drivers/target/target_core_configfs.c
+++ b/drivers/target/target_core_configfs.c
@@ -3,8 +3,8 @@
*
* This file contains ConfigFS logic for the Generic Target Engine project.
*
- * Copyright (c) 2008-2010 Rising Tide Systems
- * Copyright (c) 2008-2010 Linux-iSCSI.org
+ * Copyright (c) 2008-2011 Rising Tide Systems
+ * Copyright (c) 2008-2011 Linux-iSCSI.org
*
* Nicholas A. Bellinger <nab@kernel.org>
*
@@ -50,6 +50,7 @@
#include "target_core_hba.h"
#include "target_core_pr.h"
#include "target_core_rd.h"
+#include "target_core_stat.h"
static struct list_head g_tf_list;
static struct mutex g_tf_lock;
@@ -2709,6 +2710,34 @@ static struct config_item_type target_core_alua_cit = {
/* End functions for struct config_item_type target_core_alua_cit */
+/* Start functions for struct config_item_type target_core_stat_cit */
+
+static struct config_group *target_core_stat_mkdir(
+ struct config_group *group,
+ const char *name)
+{
+ return ERR_PTR(-ENOSYS);
+}
+
+static void target_core_stat_rmdir(
+ struct config_group *group,
+ struct config_item *item)
+{
+ return;
+}
+
+static struct configfs_group_operations target_core_stat_group_ops = {
+ .make_group = &target_core_stat_mkdir,
+ .drop_item = &target_core_stat_rmdir,
+};
+
+static struct config_item_type target_core_stat_cit = {
+ .ct_group_ops = &target_core_stat_group_ops,
+ .ct_owner = THIS_MODULE,
+};
+
+/* End functions for struct config_item_type target_core_stat_cit */
+
/* Start functions for struct config_item_type target_core_hba_cit */
static struct config_group *target_core_make_subdev(
@@ -2721,10 +2750,12 @@ static struct config_group *target_core_make_subdev(
struct config_item *hba_ci = &group->cg_item;
struct se_hba *hba = item_to_hba(hba_ci);
struct config_group *dev_cg = NULL, *tg_pt_gp_cg = NULL;
+ struct config_group *dev_stat_grp = NULL;
+ int errno = -ENOMEM, ret;
- if (mutex_lock_interruptible(&hba->hba_access_mutex))
- return 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.
*/
@@ -2754,7 +2785,7 @@ static struct config_group *target_core_make_subdev(
se_dev->se_dev_hba = hba;
dev_cg = &se_dev->se_dev_group;
- dev_cg->default_groups = kzalloc(sizeof(struct config_group) * 6,
+ dev_cg->default_groups = kzalloc(sizeof(struct config_group) * 7,
GFP_KERNEL);
if (!(dev_cg->default_groups))
goto out;
@@ -2786,13 +2817,17 @@ static struct config_group *target_core_make_subdev(
&target_core_dev_wwn_cit);
config_group_init_type_name(&se_dev->t10_alua.alua_tg_pt_gps_group,
"alua", &target_core_alua_tg_pt_gps_cit);
+ config_group_init_type_name(&se_dev->dev_stat_grps.stat_group,
+ "statistics", &target_core_stat_cit);
+
dev_cg->default_groups[0] = &se_dev->se_dev_attrib.da_group;
dev_cg->default_groups[1] = &se_dev->se_dev_pr_group;
dev_cg->default_groups[2] = &se_dev->t10_wwn.t10_wwn_group;
dev_cg->default_groups[3] = &se_dev->t10_alua.alua_tg_pt_gps_group;
- dev_cg->default_groups[4] = NULL;
+ dev_cg->default_groups[4] = &se_dev->dev_stat_grps.stat_group;
+ dev_cg->default_groups[5] = NULL;
/*
- * Add core/$HBA/$DEV/alua/tg_pt_gps/default_tg_pt_gp
+ * Add core/$HBA/$DEV/alua/default_tg_pt_gp
*/
tg_pt_gp = core_alua_allocate_tg_pt_gp(se_dev, "default_tg_pt_gp", 1);
if (!(tg_pt_gp))
@@ -2812,6 +2847,17 @@ static struct config_group *target_core_make_subdev(
tg_pt_gp_cg->default_groups[0] = &tg_pt_gp->tg_pt_gp_group;
tg_pt_gp_cg->default_groups[1] = NULL;
T10_ALUA(se_dev)->default_tg_pt_gp = tg_pt_gp;
+ /*
+ * Add core/$HBA/$DEV/statistics/ default groups
+ */
+ dev_stat_grp = &DEV_STAT_GRP(se_dev)->stat_group;
+ dev_stat_grp->default_groups = kzalloc(sizeof(struct config_group) * 4,
+ GFP_KERNEL);
+ if (!dev_stat_grp->default_groups) {
+ printk(KERN_ERR "Unable to allocate dev_stat_grp->default_groups\n");
+ goto out;
+ }
+ target_stat_setup_dev_default_groups(se_dev);
printk(KERN_INFO "Target_Core_ConfigFS: Allocated struct se_subsystem_dev:"
" %p se_dev_su_ptr: %p\n", se_dev, se_dev->se_dev_su_ptr);
@@ -2823,6 +2869,8 @@ out:
core_alua_free_tg_pt_gp(T10_ALUA(se_dev)->default_tg_pt_gp);
T10_ALUA(se_dev)->default_tg_pt_gp = NULL;
}
+ if (dev_stat_grp)
+ kfree(dev_stat_grp->default_groups);
if (tg_pt_gp_cg)
kfree(tg_pt_gp_cg->default_groups);
if (dev_cg)
@@ -2832,7 +2880,7 @@ out:
kfree(se_dev);
unlock:
mutex_unlock(&hba->hba_access_mutex);
- return NULL;
+ return ERR_PTR(errno);
}
static void target_core_drop_subdev(
@@ -2844,7 +2892,7 @@ static void target_core_drop_subdev(
struct se_hba *hba;
struct se_subsystem_api *t;
struct config_item *df_item;
- struct config_group *dev_cg, *tg_pt_gp_cg;
+ struct config_group *dev_cg, *tg_pt_gp_cg, *dev_stat_grp;
int i;
hba = item_to_hba(&se_dev->se_dev_hba->hba_group.cg_item);
@@ -2856,6 +2904,14 @@ static void target_core_drop_subdev(
list_del(&se_dev->g_se_dev_list);
spin_unlock(&se_global->g_device_lock);
+ dev_stat_grp = &DEV_STAT_GRP(se_dev)->stat_group;
+ for (i = 0; dev_stat_grp->default_groups[i]; i++) {
+ df_item = &dev_stat_grp->default_groups[i]->cg_item;
+ dev_stat_grp->default_groups[i] = NULL;
+ config_item_put(df_item);
+ }
+ kfree(dev_stat_grp->default_groups);
+
tg_pt_gp_cg = &T10_ALUA(se_dev)->alua_tg_pt_gps_group;
for (i = 0; tg_pt_gp_cg->default_groups[i]; i++) {
df_item = &tg_pt_gp_cg->default_groups[i]->cg_item;
diff --git a/drivers/target/target_core_fabric_configfs.c b/drivers/target/target_core_fabric_configfs.c
index b65d1c8e7740..07ab5a3bb8e8 100644
--- a/drivers/target/target_core_fabric_configfs.c
+++ b/drivers/target/target_core_fabric_configfs.c
@@ -4,10 +4,10 @@
* This file contains generic fabric module configfs infrastructure for
* TCM v4.x code
*
- * Copyright (c) 2010 Rising Tide Systems
- * Copyright (c) 2010 Linux-iSCSI.org
+ * Copyright (c) 2010,2011 Rising Tide Systems
+ * Copyright (c) 2010,2011 Linux-iSCSI.org
*
- * Copyright (c) 2010 Nicholas A. Bellinger <nab@linux-iscsi.org>
+ * Copyright (c) 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
@@ -48,6 +48,7 @@
#include "target_core_alua.h"
#include "target_core_hba.h"
#include "target_core_pr.h"
+#include "target_core_stat.h"
#define TF_CIT_SETUP(_name, _item_ops, _group_ops, _attrs) \
static void target_fabric_setup_##_name##_cit(struct target_fabric_configfs *tf) \
@@ -241,6 +242,32 @@ TF_CIT_SETUP(tpg_mappedlun, &target_fabric_mappedlun_item_ops, NULL,
/* End of tfc_tpg_mappedlun_cit */
+/* Start of tfc_tpg_mappedlun_port_cit */
+
+static struct config_group *target_core_mappedlun_stat_mkdir(
+ struct config_group *group,
+ const char *name)
+{
+ return ERR_PTR(-ENOSYS);
+}
+
+static void target_core_mappedlun_stat_rmdir(
+ struct config_group *group,
+ struct config_item *item)
+{
+ return;
+}
+
+static struct configfs_group_operations target_fabric_mappedlun_stat_group_ops = {
+ .make_group = target_core_mappedlun_stat_mkdir,
+ .drop_item = target_core_mappedlun_stat_rmdir,
+};
+
+TF_CIT_SETUP(tpg_mappedlun_stat, NULL, &target_fabric_mappedlun_stat_group_ops,
+ NULL);
+
+/* End of tfc_tpg_mappedlun_port_cit */
+
/* Start of tfc_tpg_nacl_attrib_cit */
CONFIGFS_EATTR_OPS(target_fabric_nacl_attrib, se_node_acl, acl_attrib_group);
@@ -294,6 +321,7 @@ static struct config_group *target_fabric_make_mappedlun(
struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf;
struct se_lun_acl *lacl;
struct config_item *acl_ci;
+ struct config_group *lacl_cg = NULL, *ml_stat_grp = NULL;
char *buf;
unsigned long mapped_lun;
int ret = 0;
@@ -330,15 +358,42 @@ static struct config_group *target_fabric_make_mappedlun(
lacl = core_dev_init_initiator_node_lun_acl(se_tpg, mapped_lun,
config_item_name(acl_ci), &ret);
- if (!(lacl))
+ if (!(lacl)) {
+ ret = -EINVAL;
goto out;
+ }
+
+ lacl_cg = &lacl->se_lun_group;
+ lacl_cg->default_groups = kzalloc(sizeof(struct config_group) * 2,
+ GFP_KERNEL);
+ if (!lacl_cg->default_groups) {
+ printk(KERN_ERR "Unable to allocate lacl_cg->default_groups\n");
+ ret = -ENOMEM;
+ goto out;
+ }
config_group_init_type_name(&lacl->se_lun_group, name,
&TF_CIT_TMPL(tf)->tfc_tpg_mappedlun_cit);
+ config_group_init_type_name(&lacl->ml_stat_grps.stat_group,
+ "statistics", &TF_CIT_TMPL(tf)->tfc_tpg_mappedlun_stat_cit);
+ lacl_cg->default_groups[0] = &lacl->ml_stat_grps.stat_group;
+ lacl_cg->default_groups[1] = NULL;
+
+ ml_stat_grp = &ML_STAT_GRPS(lacl)->stat_group;
+ ml_stat_grp->default_groups = kzalloc(sizeof(struct config_group) * 3,
+ GFP_KERNEL);
+ if (!ml_stat_grp->default_groups) {
+ printk(KERN_ERR "Unable to allocate ml_stat_grp->default_groups\n");
+ ret = -ENOMEM;
+ goto out;
+ }
+ target_stat_setup_mappedlun_default_groups(lacl);
kfree(buf);
return &lacl->se_lun_group;
out:
+ if (lacl_cg)
+ kfree(lacl_cg->default_groups);
kfree(buf);
return ERR_PTR(ret);
}
@@ -347,6 +402,28 @@ static void target_fabric_drop_mappedlun(
struct config_group *group,
struct config_item *item)
{
+ struct se_lun_acl *lacl = container_of(to_config_group(item),
+ struct se_lun_acl, se_lun_group);
+ struct config_item *df_item;
+ struct config_group *lacl_cg = NULL, *ml_stat_grp = NULL;
+ int i;
+
+ ml_stat_grp = &ML_STAT_GRPS(lacl)->stat_group;
+ for (i = 0; ml_stat_grp->default_groups[i]; i++) {
+ df_item = &ml_stat_grp->default_groups[i]->cg_item;
+ ml_stat_grp->default_groups[i] = NULL;
+ config_item_put(df_item);
+ }
+ kfree(ml_stat_grp->default_groups);
+
+ lacl_cg = &lacl->se_lun_group;
+ for (i = 0; lacl_cg->default_groups[i]; i++) {
+ df_item = &lacl_cg->default_groups[i]->cg_item;
+ lacl_cg->default_groups[i] = NULL;
+ config_item_put(df_item);
+ }
+ kfree(lacl_cg->default_groups);
+
config_item_put(item);
}
@@ -376,6 +453,15 @@ TF_CIT_SETUP(tpg_nacl_base, &target_fabric_nacl_base_item_ops,
/* End of tfc_tpg_nacl_base_cit */
+/* Start of tfc_node_fabric_stats_cit */
+/*
+ * This is used as a placeholder for struct se_node_acl->acl_fabric_stat_group
+ * to allow fabrics access to ->acl_fabric_stat_group->default_groups[]
+ */
+TF_CIT_SETUP(tpg_nacl_stat, NULL, NULL, NULL);
+
+/* End of tfc_wwn_fabric_stats_cit */
+
/* Start of tfc_tpg_nacl_cit */
static struct config_group *target_fabric_make_nodeacl(
@@ -402,7 +488,8 @@ static struct config_group *target_fabric_make_nodeacl(
nacl_cg->default_groups[0] = &se_nacl->acl_attrib_group;
nacl_cg->default_groups[1] = &se_nacl->acl_auth_group;
nacl_cg->default_groups[2] = &se_nacl->acl_param_group;
- nacl_cg->default_groups[3] = NULL;
+ nacl_cg->default_groups[3] = &se_nacl->acl_fabric_stat_group;
+ nacl_cg->default_groups[4] = NULL;
config_group_init_type_name(&se_nacl->acl_group, name,
&TF_CIT_TMPL(tf)->tfc_tpg_nacl_base_cit);
@@ -412,6 +499,9 @@ static struct config_group *target_fabric_make_nodeacl(
&TF_CIT_TMPL(tf)->tfc_tpg_nacl_auth_cit);
config_group_init_type_name(&se_nacl->acl_param_group, "param",
&TF_CIT_TMPL(tf)->tfc_tpg_nacl_param_cit);
+ config_group_init_type_name(&se_nacl->acl_fabric_stat_group,
+ "fabric_statistics",
+ &TF_CIT_TMPL(tf)->tfc_tpg_nacl_stat_cit);
return &se_nacl->acl_group;
}
@@ -758,6 +848,31 @@ TF_CIT_SETUP(tpg_port, &target_fabric_port_item_ops, NULL, target_fabric_port_at
/* End of tfc_tpg_port_cit */
+/* Start of tfc_tpg_port_stat_cit */
+
+static struct config_group *target_core_port_stat_mkdir(
+ struct config_group *group,
+ const char *name)
+{
+ return ERR_PTR(-ENOSYS);
+}
+
+static void target_core_port_stat_rmdir(
+ struct config_group *group,
+ struct config_item *item)
+{
+ return;
+}
+
+static struct configfs_group_operations target_fabric_port_stat_group_ops = {
+ .make_group = target_core_port_stat_mkdir,
+ .drop_item = target_core_port_stat_rmdir,
+};
+
+TF_CIT_SETUP(tpg_port_stat, NULL, &target_fabric_port_stat_group_ops, NULL);
+
+/* End of tfc_tpg_port_stat_cit */
+
/* Start of tfc_tpg_lun_cit */
static struct config_group *target_fabric_make_lun(
@@ -768,7 +883,9 @@ static struct config_group *target_fabric_make_lun(
struct se_portal_group *se_tpg = container_of(group,
struct se_portal_group, tpg_lun_group);
struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf;
+ struct config_group *lun_cg = NULL, *port_stat_grp = NULL;
unsigned long unpacked_lun;
+ int errno;
if (strstr(name, "lun_") != name) {
printk(KERN_ERR "Unable to locate \'_\" in"
@@ -782,16 +899,64 @@ static struct config_group *target_fabric_make_lun(
if (!(lun))
return ERR_PTR(-EINVAL);
+ lun_cg = &lun->lun_group;
+ lun_cg->default_groups = kzalloc(sizeof(struct config_group) * 2,
+ GFP_KERNEL);
+ if (!lun_cg->default_groups) {
+ printk(KERN_ERR "Unable to allocate lun_cg->default_groups\n");
+ return ERR_PTR(-ENOMEM);
+ }
+
config_group_init_type_name(&lun->lun_group, name,
&TF_CIT_TMPL(tf)->tfc_tpg_port_cit);
+ config_group_init_type_name(&lun->port_stat_grps.stat_group,
+ "statistics", &TF_CIT_TMPL(tf)->tfc_tpg_port_stat_cit);
+ lun_cg->default_groups[0] = &lun->port_stat_grps.stat_group;
+ lun_cg->default_groups[1] = NULL;
+
+ port_stat_grp = &PORT_STAT_GRP(lun)->stat_group;
+ port_stat_grp->default_groups = kzalloc(sizeof(struct config_group) * 3,
+ GFP_KERNEL);
+ if (!port_stat_grp->default_groups) {
+ printk(KERN_ERR "Unable to allocate port_stat_grp->default_groups\n");
+ errno = -ENOMEM;
+ goto out;
+ }
+ target_stat_setup_port_default_groups(lun);
return &lun->lun_group;
+out:
+ if (lun_cg)
+ kfree(lun_cg->default_groups);
+ return ERR_PTR(errno);
}
static void target_fabric_drop_lun(
struct config_group *group,
struct config_item *item)
{
+ struct se_lun *lun = container_of(to_config_group(item),
+ struct se_lun, lun_group);
+ struct config_item *df_item;
+ struct config_group *lun_cg, *port_stat_grp;
+ int i;
+
+ port_stat_grp = &PORT_STAT_GRP(lun)->stat_group;
+ for (i = 0; port_stat_grp->default_groups[i]; i++) {
+ df_item = &port_stat_grp->default_groups[i]->cg_item;
+ port_stat_grp->default_groups[i] = NULL;
+ config_item_put(df_item);
+ }
+ kfree(port_stat_grp->default_groups);
+
+ lun_cg = &lun->lun_group;
+ for (i = 0; lun_cg->default_groups[i]; i++) {
+ df_item = &lun_cg->default_groups[i]->cg_item;
+ lun_cg->default_groups[i] = NULL;
+ config_item_put(df_item);
+ }
+ kfree(lun_cg->default_groups);
+
config_item_put(item);
}
@@ -946,6 +1111,15 @@ TF_CIT_SETUP(tpg, &target_fabric_tpg_item_ops, &target_fabric_tpg_group_ops,
/* End of tfc_tpg_cit */
+/* Start of tfc_wwn_fabric_stats_cit */
+/*
+ * This is used as a placeholder for struct se_wwn->fabric_stat_group
+ * to allow fabrics access to ->fabric_stat_group->default_groups[]
+ */
+TF_CIT_SETUP(wwn_fabric_stats, NULL, NULL, NULL);
+
+/* End of tfc_wwn_fabric_stats_cit */
+
/* Start of tfc_wwn_cit */
static struct config_group *target_fabric_make_wwn(
@@ -966,8 +1140,17 @@ static struct config_group *target_fabric_make_wwn(
return ERR_PTR(-EINVAL);
wwn->wwn_tf = tf;
+ /*
+ * Setup default groups from pre-allocated wwn->wwn_default_groups
+ */
+ wwn->wwn_group.default_groups = wwn->wwn_default_groups;
+ wwn->wwn_group.default_groups[0] = &wwn->fabric_stat_group;
+ wwn->wwn_group.default_groups[1] = NULL;
+
config_group_init_type_name(&wwn->wwn_group, name,
&TF_CIT_TMPL(tf)->tfc_tpg_cit);
+ config_group_init_type_name(&wwn->fabric_stat_group, "fabric_statistics",
+ &TF_CIT_TMPL(tf)->tfc_wwn_fabric_stats_cit);
return &wwn->wwn_group;
}
@@ -976,6 +1159,18 @@ static void target_fabric_drop_wwn(
struct config_group *group,
struct config_item *item)
{
+ struct se_wwn *wwn = container_of(to_config_group(item),
+ struct se_wwn, wwn_group);
+ struct config_item *df_item;
+ struct config_group *cg = &wwn->wwn_group;
+ int i;
+
+ for (i = 0; cg->default_groups[i]; i++) {
+ df_item = &cg->default_groups[i]->cg_item;
+ cg->default_groups[i] = NULL;
+ config_item_put(df_item);
+ }
+
config_item_put(item);
}
@@ -1015,9 +1210,11 @@ int target_fabric_setup_cits(struct target_fabric_configfs *tf)
{
target_fabric_setup_discovery_cit(tf);
target_fabric_setup_wwn_cit(tf);
+ target_fabric_setup_wwn_fabric_stats_cit(tf);
target_fabric_setup_tpg_cit(tf);
target_fabric_setup_tpg_base_cit(tf);
target_fabric_setup_tpg_port_cit(tf);
+ target_fabric_setup_tpg_port_stat_cit(tf);
target_fabric_setup_tpg_lun_cit(tf);
target_fabric_setup_tpg_np_cit(tf);
target_fabric_setup_tpg_np_base_cit(tf);
@@ -1028,7 +1225,9 @@ int target_fabric_setup_cits(struct target_fabric_configfs *tf)
target_fabric_setup_tpg_nacl_attrib_cit(tf);
target_fabric_setup_tpg_nacl_auth_cit(tf);
target_fabric_setup_tpg_nacl_param_cit(tf);
+ target_fabric_setup_tpg_nacl_stat_cit(tf);
target_fabric_setup_tpg_mappedlun_cit(tf);
+ target_fabric_setup_tpg_mappedlun_stat_cit(tf);
return 0;
}
diff --git a/drivers/target/target_core_stat.c b/drivers/target/target_core_stat.c
new file mode 100644
index 000000000000..5e3a067a7475
--- /dev/null
+++ b/drivers/target/target_core_stat.c
@@ -0,0 +1,1810 @@
+/*******************************************************************************
+ * Filename: target_core_stat.c
+ *
+ * Copyright (c) 2011 Rising Tide Systems
+ * Copyright (c) 2011 Linux-iSCSI.org
+ *
+ * Modern ConfigFS group context specific statistics based on original
+ * target_core_mib.c code
+ *
+ * Copyright (c) 2006-2007 SBE, Inc. All Rights Reserved.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ ******************************************************************************/
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/timer.h>
+#include <linux/string.h>
+#include <linux/version.h>
+#include <generated/utsrelease.h>
+#include <linux/utsname.h>
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+#include <linux/blkdev.h>
+#include <linux/configfs.h>
+#include <scsi/scsi.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_host.h>
+
+#include <target/target_core_base.h>
+#include <target/target_core_transport.h>
+#include <target/target_core_fabric_ops.h>
+#include <target/target_core_configfs.h>
+#include <target/configfs_macros.h>
+
+#include "target_core_hba.h"
+
+#ifndef INITIAL_JIFFIES
+#define INITIAL_JIFFIES ((unsigned long)(unsigned int) (-300*HZ))
+#endif
+
+#define NONE "None"
+#define ISPRINT(a) ((a >= ' ') && (a <= '~'))
+
+#define SCSI_LU_INDEX 1
+#define LU_COUNT 1
+
+/*
+ * SCSI Device Table
+ */
+
+CONFIGFS_EATTR_STRUCT(target_stat_scsi_dev, se_dev_stat_grps);
+#define DEV_STAT_SCSI_DEV_ATTR(_name, _mode) \
+static struct target_stat_scsi_dev_attribute \
+ target_stat_scsi_dev_##_name = \
+ __CONFIGFS_EATTR(_name, _mode, \
+ target_stat_scsi_dev_show_attr_##_name, \
+ target_stat_scsi_dev_store_attr_##_name);
+
+#define DEV_STAT_SCSI_DEV_ATTR_RO(_name) \
+static struct target_stat_scsi_dev_attribute \
+ target_stat_scsi_dev_##_name = \
+ __CONFIGFS_EATTR_RO(_name, \
+ target_stat_scsi_dev_show_attr_##_name);
+
+static ssize_t target_stat_scsi_dev_show_attr_inst(
+ struct se_dev_stat_grps *sgrps, char *page)
+{
+ struct se_subsystem_dev *se_subdev = container_of(sgrps,
+ struct se_subsystem_dev, dev_stat_grps);
+ struct se_hba *hba = se_subdev->se_dev_hba;
+ struct se_device *dev = se_subdev->se_dev_ptr;
+
+ if (!dev)
+ return -ENODEV;
+
+ return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
+}
+DEV_STAT_SCSI_DEV_ATTR_RO(inst);
+
+static ssize_t target_stat_scsi_dev_show_attr_indx(
+ struct se_dev_stat_grps *sgrps, char *page)
+{
+ struct se_subsystem_dev *se_subdev = container_of(sgrps,
+ struct se_subsystem_dev, dev_stat_grps);
+ struct se_device *dev = se_subdev->se_dev_ptr;
+
+ if (!dev)
+ return -ENODEV;
+
+ return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
+}
+DEV_STAT_SCSI_DEV_ATTR_RO(indx);
+
+static ssize_t target_stat_scsi_dev_show_attr_role(
+ struct se_dev_stat_grps *sgrps, char *page)
+{
+ struct se_subsystem_dev *se_subdev = container_of(sgrps,
+ struct se_subsystem_dev, dev_stat_grps);
+ struct se_device *dev = se_subdev->se_dev_ptr;
+
+ if (!dev)
+ return -ENODEV;
+
+ return snprintf(page, PAGE_SIZE, "Target\n");
+}
+DEV_STAT_SCSI_DEV_ATTR_RO(role);
+
+static ssize_t target_stat_scsi_dev_show_attr_ports(
+ struct se_dev_stat_grps *sgrps, char *page)
+{
+ struct se_subsystem_dev *se_subdev = container_of(sgrps,
+ struct se_subsystem_dev, dev_stat_grps);
+ struct se_device *dev = se_subdev->se_dev_ptr;
+
+ if (!dev)
+ return -ENODEV;
+
+ return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_port_count);
+}
+DEV_STAT_SCSI_DEV_ATTR_RO(ports);
+
+CONFIGFS_EATTR_OPS(target_stat_scsi_dev, se_dev_stat_grps, scsi_dev_group);
+
+static struct configfs_attribute *target_stat_scsi_dev_attrs[] = {
+ &target_stat_scsi_dev_inst.attr,
+ &target_stat_scsi_dev_indx.attr,
+ &target_stat_scsi_dev_role.attr,
+ &target_stat_scsi_dev_ports.attr,
+ NULL,
+};
+
+static struct configfs_item_operations target_stat_scsi_dev_attrib_ops = {
+ .show_attribute = target_stat_scsi_dev_attr_show,
+ .store_attribute = target_stat_scsi_dev_attr_store,
+};
+
+static struct config_item_type target_stat_scsi_dev_cit = {
+ .ct_item_ops = &target_stat_scsi_dev_attrib_ops,
+ .ct_attrs = target_stat_scsi_dev_attrs,
+ .ct_owner = THIS_MODULE,
+};
+
+/*
+ * SCSI Target Device Table
+ */
+
+CONFIGFS_EATTR_STRUCT(target_stat_scsi_tgt_dev, se_dev_stat_grps);
+#define DEV_STAT_SCSI_TGT_DEV_ATTR(_name, _mode) \
+static struct target_stat_scsi_tgt_dev_attribute \
+ target_stat_scsi_tgt_dev_##_name = \
+ __CONFIGFS_EATTR(_name, _mode, \
+ target_stat_scsi_tgt_dev_show_attr_##_name, \
+ target_stat_scsi_tgt_dev_store_attr_##_name);
+
+#define DEV_STAT_SCSI_TGT_DEV_ATTR_RO(_name) \
+static struct target_stat_scsi_tgt_dev_attribute \
+ target_stat_scsi_tgt_dev_##_name = \
+ __CONFIGFS_EATTR_RO(_name, \
+ target_stat_scsi_tgt_dev_show_attr_##_name);
+
+static ssize_t target_stat_scsi_tgt_dev_show_attr_inst(
+ struct se_dev_stat_grps *sgrps, char *page)
+{
+ struct se_subsystem_dev *se_subdev = container_of(sgrps,
+ struct se_subsystem_dev, dev_stat_grps);
+ struct se_hba *hba = se_subdev->se_dev_hba;
+ struct se_device *dev = se_subdev->se_dev_ptr;
+
+ if (!dev)
+ return -ENODEV;
+
+ return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
+}
+DEV_STAT_SCSI_TGT_DEV_ATTR_RO(inst);
+
+static ssize_t target_stat_scsi_tgt_dev_show_attr_indx(
+ struct se_dev_stat_grps *sgrps, char *page)
+{
+ struct se_subsystem_dev *se_subdev = container_of(sgrps,
+ struct se_subsystem_dev, dev_stat_grps);
+ struct se_device *dev = se_subdev->se_dev_ptr;
+
+ if (!dev)
+ return -ENODEV;
+
+ return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
+}
+DEV_STAT_SCSI_TGT_DEV_ATTR_RO(indx);
+
+static ssize_t target_stat_scsi_tgt_dev_show_attr_num_lus(
+ struct se_dev_stat_grps *sgrps, char *page)
+{
+ struct se_subsystem_dev *se_subdev = container_of(sgrps,
+ struct se_subsystem_dev, dev_stat_grps);
+ struct se_device *dev = se_subdev->se_dev_ptr;
+
+ if (!dev)
+ return -ENODEV;
+
+ return snprintf(page, PAGE_SIZE, "%u\n", LU_COUNT);
+}
+DEV_STAT_SCSI_TGT_DEV_ATTR_RO(num_lus);
+
+static ssize_t target_stat_scsi_tgt_dev_show_attr_status(
+ struct se_dev_stat_grps *sgrps, char *page)
+{
+ struct se_subsystem_dev *se_subdev = container_of(sgrps,
+ struct se_subsystem_dev, dev_stat_grps);
+ struct se_device *dev = se_subdev->se_dev_ptr;
+ char status[16];
+
+ if (!dev)
+ return -ENODEV;
+
+ switch (dev->dev_status) {
+ case TRANSPORT_DEVICE_ACTIVATED:
+ strcpy(status, "activated");
+ break;
+ case TRANSPORT_DEVICE_DEACTIVATED:
+ strcpy(status, "deactivated");
+ break;
+ case TRANSPORT_DEVICE_SHUTDOWN:
+ strcpy(status, "shutdown");
+ break;
+ case TRANSPORT_DEVICE_OFFLINE_ACTIVATED:
+ case TRANSPORT_DEVICE_OFFLINE_DEACTIVATED:
+ strcpy(status, "offline");
+ break;
+ default:
+ sprintf(status, "unknown(%d)", dev->dev_status);
+ break;
+ }
+
+ return snprintf(page, PAGE_SIZE, "%s\n", status);
+}
+DEV_STAT_SCSI_TGT_DEV_ATTR_RO(status);
+
+static ssize_t target_stat_scsi_tgt_dev_show_attr_non_access_lus(
+ struct se_dev_stat_grps *sgrps, char *page)
+{
+ struct se_subsystem_dev *se_subdev = container_of(sgrps,
+ struct se_subsystem_dev, dev_stat_grps);
+ struct se_device *dev = se_subdev->se_dev_ptr;
+ int non_accessible_lus;
+
+ if (!dev)
+ return -ENODEV;
+
+ switch (dev->dev_status) {
+ case TRANSPORT_DEVICE_ACTIVATED:
+ non_accessible_lus = 0;
+ break;
+ case TRANSPORT_DEVICE_DEACTIVATED:
+ case TRANSPORT_DEVICE_SHUTDOWN:
+ case TRANSPORT_DEVICE_OFFLINE_ACTIVATED:
+ case TRANSPORT_DEVICE_OFFLINE_DEACTIVATED:
+ default:
+ non_accessible_lus = 1;
+ break;
+ }
+
+ return snprintf(page, PAGE_SIZE, "%u\n", non_accessible_lus);
+}
+DEV_STAT_SCSI_TGT_DEV_ATTR_RO(non_access_lus);
+
+static ssize_t target_stat_scsi_tgt_dev_show_attr_resets(
+ struct se_dev_stat_grps *sgrps, char *page)
+{
+ struct se_subsystem_dev *se_subdev = container_of(sgrps,
+ struct se_subsystem_dev, dev_stat_grps);
+ struct se_device *dev = se_subdev->se_dev_ptr;
+
+ if (!dev)
+ return -ENODEV;
+
+ return snprintf(page, PAGE_SIZE, "%u\n", dev->num_resets);
+}
+DEV_STAT_SCSI_TGT_DEV_ATTR_RO(resets);
+
+
+CONFIGFS_EATTR_OPS(target_stat_scsi_tgt_dev, se_dev_stat_grps, scsi_tgt_dev_group);
+
+static struct configfs_attribute *target_stat_scsi_tgt_dev_attrs[] = {
+ &target_stat_scsi_tgt_dev_inst.attr,
+ &target_stat_scsi_tgt_dev_indx.attr,
+ &target_stat_scsi_tgt_dev_num_lus.attr,
+ &target_stat_scsi_tgt_dev_status.attr,
+ &target_stat_scsi_tgt_dev_non_access_lus.attr,
+ &target_stat_scsi_tgt_dev_resets.attr,
+ NULL,
+};
+
+static struct configfs_item_operations target_stat_scsi_tgt_dev_attrib_ops = {
+ .show_attribute = target_stat_scsi_tgt_dev_attr_show,
+ .store_attribute = target_stat_scsi_tgt_dev_attr_store,
+};
+
+static struct config_item_type target_stat_scsi_tgt_dev_cit = {
+ .ct_item_ops = &target_stat_scsi_tgt_dev_attrib_ops,
+ .ct_attrs = target_stat_scsi_tgt_dev_attrs,
+ .ct_owner = THIS_MODULE,
+};
+
+/*
+ * SCSI Logical Unit Table
+ */
+
+CONFIGFS_EATTR_STRUCT(target_stat_scsi_lu, se_dev_stat_grps);
+#define DEV_STAT_SCSI_LU_ATTR(_name, _mode) \
+static struct target_stat_scsi_lu_attribute target_stat_scsi_lu_##_name = \
+ __CONFIGFS_EATTR(_name, _mode, \
+ target_stat_scsi_lu_show_attr_##_name, \
+ target_stat_scsi_lu_store_attr_##_name);
+
+#define DEV_STAT_SCSI_LU_ATTR_RO(_name) \
+static struct target_stat_scsi_lu_attribute target_stat_scsi_lu_##_name = \
+ __CONFIGFS_EATTR_RO(_name, \
+ target_stat_scsi_lu_show_attr_##_name);
+
+static ssize_t target_stat_scsi_lu_show_attr_inst(
+ struct se_dev_stat_grps *sgrps, char *page)
+{
+ struct se_subsystem_dev *se_subdev = container_of(sgrps,
+ struct se_subsystem_dev, dev_stat_grps);
+ struct se_hba *hba = se_subdev->se_dev_hba;
+ struct se_device *dev = se_subdev->se_dev_ptr;
+
+ if (!dev)
+ return -ENODEV;
+
+ return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
+}
+DEV_STAT_SCSI_LU_ATTR_RO(inst);
+
+static ssize_t target_stat_scsi_lu_show_attr_dev(
+ struct se_dev_stat_grps *sgrps, char *page)
+{
+ struct se_subsystem_dev *se_subdev = container_of(sgrps,
+ struct se_subsystem_dev, dev_stat_grps);
+ struct se_device *dev = se_subdev->se_dev_ptr;
+
+ if (!dev)
+ return -ENODEV;
+
+ return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
+}
+DEV_STAT_SCSI_LU_ATTR_RO(dev);
+
+static ssize_t target_stat_scsi_lu_show_attr_indx(
+ struct se_dev_stat_grps *sgrps, char *page)
+{
+ struct se_subsystem_dev *se_subdev = container_of(sgrps,
+ struct se_subsystem_dev, dev_stat_grps);
+ struct se_device *dev = se_subdev->se_dev_ptr;
+
+ if (!dev)
+ return -ENODEV;
+
+ return snprintf(page, PAGE_SIZE, "%u\n", SCSI_LU_INDEX);
+}
+DEV_STAT_SCSI_LU_ATTR_RO(indx);
+
+static ssize_t target_stat_scsi_lu_show_attr_lun(
+ struct se_dev_stat_grps *sgrps, char *page)
+{
+ struct se_subsystem_dev *se_subdev = container_of(sgrps,
+ struct se_subsystem_dev, dev_stat_grps);
+ struct se_device *dev = se_subdev->se_dev_ptr;
+
+ if (!dev)
+ return -ENODEV;
+ /* FIXME: scsiLuDefaultLun */
+ return snprintf(page, PAGE_SIZE, "%llu\n", (unsigned long long)0);
+}
+DEV_STAT_SCSI_LU_ATTR_RO(lun);
+
+static ssize_t target_stat_scsi_lu_show_attr_lu_name(
+ struct se_dev_stat_grps *sgrps, char *page)
+{
+ struct se_subsystem_dev *se_subdev = container_of(sgrps,
+ struct se_subsystem_dev, dev_stat_grps);
+ struct se_device *dev = se_subdev->se_dev_ptr;
+
+ if (!dev)
+ return -ENODEV;
+ /* scsiLuWwnName */
+ return snprintf(page, PAGE_SIZE, "%s\n",
+ (strlen(DEV_T10_WWN(dev)->unit_serial)) ?
+ (char *)&DEV_T10_WWN(dev)->unit_serial[0] : "None");
+}
+DEV_STAT_SCSI_LU_ATTR_RO(lu_name);
+
+static ssize_t target_stat_scsi_lu_show_attr_vend(
+ struct se_dev_stat_grps *sgrps, char *page)
+{
+ struct se_subsystem_dev *se_subdev = container_of(sgrps,
+ struct se_subsystem_dev, dev_stat_grps);
+ struct se_device *dev = se_subdev->se_dev_ptr;
+ int j;
+ char str[28];
+
+ if (!dev)
+ return -ENODEV;
+ /* scsiLuVendorId */
+ memcpy(&str[0], (void *)DEV_T10_WWN(dev), 28);
+ for (j = 0; j < 8; j++)
+ str[j] = ISPRINT(DEV_T10_WWN(dev)->vendor[j]) ?
+ DEV_T10_WWN(dev)->vendor[j] : 0x20;
+ str[8] = 0;
+ return snprintf(page, PAGE_SIZE, "%s\n", str);
+}
+DEV_STAT_SCSI_LU_ATTR_RO(vend);
+
+static ssize_t target_stat_scsi_lu_show_attr_prod(
+ struct se_dev_stat_grps *sgrps, char *page)
+{
+ struct se_subsystem_dev *se_subdev = container_of(sgrps,
+ struct se_subsystem_dev, dev_stat_grps);
+ struct se_device *dev = se_subdev->se_dev_ptr;
+ int j;
+ char str[28];
+
+ if (!dev)
+ return -ENODEV;
+
+ /* scsiLuProductId */
+ memcpy(&str[0], (void *)DEV_T10_WWN(dev), 28);
+ for (j = 0; j < 16; j++)
+ str[j] = ISPRINT(DEV_T10_WWN(dev)->model[j]) ?
+ DEV_T10_WWN(dev)->model[j] : 0x20;
+ str[16] = 0;
+ return snprintf(page, PAGE_SIZE, "%s\n", str);
+}
+DEV_STAT_SCSI_LU_ATTR_RO(prod);
+
+static ssize_t target_stat_scsi_lu_show_attr_rev(
+ struct se_dev_stat_grps *sgrps, char *page)
+{
+ struct se_subsystem_dev *se_subdev = container_of(sgrps,
+ struct se_subsystem_dev, dev_stat_grps);
+ struct se_device *dev = se_subdev->se_dev_ptr;
+ int j;
+ char str[28];
+
+ if (!dev)
+ return -ENODEV;
+
+ /* scsiLuRevisionId */
+ memcpy(&str[0], (void *)DEV_T10_WWN(dev), 28);
+ for (j = 0; j < 4; j++)
+ str[j] = ISPRINT(DEV_T10_WWN(dev)->revision[j]) ?
+ DEV_T10_WWN(dev)->revision[j] : 0x20;
+ str[4] = 0;
+ return snprintf(page, PAGE_SIZE, "%s\n", str);
+}
+DEV_STAT_SCSI_LU_ATTR_RO(rev);
+
+static ssize_t target_stat_scsi_lu_show_attr_dev_type(
+ struct se_dev_stat_grps *sgrps, char *page)
+{
+ struct se_subsystem_dev *se_subdev = container_of(sgrps,
+ struct se_subsystem_dev, dev_stat_grps);
+ struct se_device *dev = se_subdev->se_dev_ptr;
+
+ if (!dev)
+ return -ENODEV;
+
+ /* scsiLuPeripheralType */
+ return snprintf(page, PAGE_SIZE, "%u\n",
+ TRANSPORT(dev)->get_device_type(dev));
+}
+DEV_STAT_SCSI_LU_ATTR_RO(dev_type);
+
+static ssize_t target_stat_scsi_lu_show_attr_status(
+ struct se_dev_stat_grps *sgrps, char *page)
+{
+ struct se_subsystem_dev *se_subdev = container_of(sgrps,
+ struct se_subsystem_dev, dev_stat_grps);
+ struct se_device *dev = se_subdev->se_dev_ptr;
+
+ if (!dev)
+ return -ENODEV;
+
+ /* scsiLuStatus */
+ return snprintf(page, PAGE_SIZE, "%s\n",
+ (dev->dev_status == TRANSPORT_DEVICE_ACTIVATED) ?
+ "available" : "notavailable");
+}
+DEV_STAT_SCSI_LU_ATTR_RO(status);
+
+static ssize_t target_stat_scsi_lu_show_attr_state_bit(
+ struct se_dev_stat_grps *sgrps, char *page)
+{
+ struct se_subsystem_dev *se_subdev = container_of(sgrps,
+ struct se_subsystem_dev, dev_stat_grps);
+ struct se_device *dev = se_subdev->se_dev_ptr;
+
+ if (!dev)
+ return -ENODEV;
+
+ /* scsiLuState */
+ return snprintf(page, PAGE_SIZE, "exposed\n");
+}
+DEV_STAT_SCSI_LU_ATTR_RO(state_bit);
+
+static ssize_t target_stat_scsi_lu_show_attr_num_cmds(
+ struct se_dev_stat_grps *sgrps, char *page)
+{
+ struct se_subsystem_dev *se_subdev = container_of(sgrps,
+ struct se_subsystem_dev, dev_stat_grps);
+ struct se_device *dev = se_subdev->se_dev_ptr;
+
+ if (!dev)
+ return -ENODEV;
+
+ /* scsiLuNumCommands */
+ return snprintf(page, PAGE_SIZE, "%llu\n",
+ (unsigned long long)dev->num_cmds);
+}
+DEV_STAT_SCSI_LU_ATTR_RO(num_cmds);
+
+static ssize_t target_stat_scsi_lu_show_attr_read_mbytes(
+ struct se_dev_stat_grps *sgrps, char *page)
+{
+ struct se_subsystem_dev *se_subdev = container_of(sgrps,
+ struct se_subsystem_dev, dev_stat_grps);
+ struct se_device *dev = se_subdev->se_dev_ptr;
+
+ if (!dev)
+ return -ENODEV;
+
+ /* scsiLuReadMegaBytes */
+ return snprintf(page, PAGE_SIZE, "%u\n", (u32)(dev->read_bytes >> 20));
+}
+DEV_STAT_SCSI_LU_ATTR_RO(read_mbytes);
+
+static ssize_t target_stat_scsi_lu_show_attr_write_mbytes(
+ struct se_dev_stat_grps *sgrps, char *page)
+{
+ struct se_subsystem_dev *se_subdev = container_of(sgrps,
+ struct se_subsystem_dev, dev_stat_grps);
+ struct se_device *dev = se_subdev->se_dev_ptr;
+
+ if (!dev)
+ return -ENODEV;
+
+ /* scsiLuWrittenMegaBytes */
+ return snprintf(page, PAGE_SIZE, "%u\n", (u32)(dev->write_bytes >> 20));
+}
+DEV_STAT_SCSI_LU_ATTR_RO(write_mbytes);
+
+static ssize_t target_stat_scsi_lu_show_attr_resets(
+ struct se_dev_stat_grps *sgrps, char *page)
+{
+ struct se_subsystem_dev *se_subdev = container_of(sgrps,
+ struct se_subsystem_dev, dev_stat_grps);
+ struct se_device *dev = se_subdev->se_dev_ptr;
+
+ if (!dev)
+ return -ENODEV;
+
+ /* scsiLuInResets */
+ return snprintf(page, PAGE_SIZE, "%u\n", dev->num_resets);
+}
+DEV_STAT_SCSI_LU_ATTR_RO(resets);
+
+static ssize_t target_stat_scsi_lu_show_attr_full_stat(
+ struct se_dev_stat_grps *sgrps, char *page)
+{
+ struct se_subsystem_dev *se_subdev = container_of(sgrps,
+ struct se_subsystem_dev, dev_stat_grps);
+ struct se_device *dev = se_subdev->se_dev_ptr;
+
+ if (!dev)
+ return -ENODEV;
+
+ /* FIXME: scsiLuOutTaskSetFullStatus */
+ return snprintf(page, PAGE_SIZE, "%u\n", 0);
+}
+DEV_STAT_SCSI_LU_ATTR_RO(full_stat);
+
+static ssize_t target_stat_scsi_lu_show_attr_hs_num_cmds(
+ struct se_dev_stat_grps *sgrps, char *page)
+{
+ struct se_subsystem_dev *se_subdev = container_of(sgrps,
+ struct se_subsystem_dev, dev_stat_grps);
+ struct se_device *dev = se_subdev->se_dev_ptr;
+
+ if (!dev)
+ return -ENODEV;
+
+ /* FIXME: scsiLuHSInCommands */
+ return snprintf(page, PAGE_SIZE, "%u\n", 0);
+}
+DEV_STAT_SCSI_LU_ATTR_RO(hs_num_cmds);
+
+static ssize_t target_stat_scsi_lu_show_attr_creation_time(
+ struct se_dev_stat_grps *sgrps, char *page)
+{
+ struct se_subsystem_dev *se_subdev = container_of(sgrps,
+ struct se_subsystem_dev, dev_stat_grps);
+ struct se_device *dev = se_subdev->se_dev_ptr;
+
+ if (!dev)
+ return -ENODEV;
+
+ /* scsiLuCreationTime */
+ return snprintf(page, PAGE_SIZE, "%u\n", (u32)(((u32)dev->creation_time -
+ INITIAL_JIFFIES) * 100 / HZ));
+}
+DEV_STAT_SCSI_LU_ATTR_RO(creation_time);
+
+CONFIGFS_EATTR_OPS(target_stat_scsi_lu, se_dev_stat_grps, scsi_lu_group);
+
+static struct configfs_attribute *target_stat_scsi_lu_attrs[] = {
+ &target_stat_scsi_lu_inst.attr,
+ &target_stat_scsi_lu_dev.attr,
+ &target_stat_scsi_lu_indx.attr,
+ &target_stat_scsi_lu_lun.attr,
+ &target_stat_scsi_lu_lu_name.attr,
+ &target_stat_scsi_lu_vend.attr,
+ &target_stat_scsi_lu_prod.attr,
+ &target_stat_scsi_lu_rev.attr,
+ &target_stat_scsi_lu_dev_type.attr,
+ &target_stat_scsi_lu_status.attr,
+ &target_stat_scsi_lu_state_bit.attr,
+ &target_stat_scsi_lu_num_cmds.attr,
+ &target_stat_scsi_lu_read_mbytes.attr,
+ &target_stat_scsi_lu_write_mbytes.attr,
+ &target_stat_scsi_lu_resets.attr,
+ &target_stat_scsi_lu_full_stat.attr,
+ &target_stat_scsi_lu_hs_num_cmds.attr,
+ &target_stat_scsi_lu_creation_time.attr,
+ NULL,
+};
+
+static struct configfs_item_operations target_stat_scsi_lu_attrib_ops = {
+ .show_attribute = target_stat_scsi_lu_attr_show,
+ .store_attribute = target_stat_scsi_lu_attr_store,
+};
+
+static struct config_item_type target_stat_scsi_lu_cit = {
+ .ct_item_ops = &target_stat_scsi_lu_attrib_ops,
+ .ct_attrs = target_stat_scsi_lu_attrs,
+ .ct_owner = THIS_MODULE,
+};
+
+/*
+ * Called from target_core_configfs.c:target_core_make_subdev() to setup
+ * the target statistics groups + configfs CITs located in target_core_stat.c
+ */
+void target_stat_setup_dev_default_groups(struct se_subsystem_dev *se_subdev)
+{
+ struct config_group *dev_stat_grp = &DEV_STAT_GRP(se_subdev)->stat_group;
+
+ config_group_init_type_name(&DEV_STAT_GRP(se_subdev)->scsi_dev_group,
+ "scsi_dev", &target_stat_scsi_dev_cit);
+ config_group_init_type_name(&DEV_STAT_GRP(se_subdev)->scsi_tgt_dev_group,
+ "scsi_tgt_dev", &target_stat_scsi_tgt_dev_cit);
+ config_group_init_type_name(&DEV_STAT_GRP(se_subdev)->scsi_lu_group,
+ "scsi_lu", &target_stat_scsi_lu_cit);
+
+ dev_stat_grp->default_groups[0] = &DEV_STAT_GRP(se_subdev)->scsi_dev_group;
+ dev_stat_grp->default_groups[1] = &DEV_STAT_GRP(se_subdev)->scsi_tgt_dev_group;
+ dev_stat_grp->default_groups[2] = &DEV_STAT_GRP(se_subdev)->scsi_lu_group;
+ dev_stat_grp->default_groups[3] = NULL;
+}
+
+/*
+ * SCSI Port Table
+ */
+
+CONFIGFS_EATTR_STRUCT(target_stat_scsi_port, se_port_stat_grps);
+#define DEV_STAT_SCSI_PORT_ATTR(_name, _mode) \
+static struct target_stat_scsi_port_attribute \
+ target_stat_scsi_port_##_name = \
+ __CONFIGFS_EATTR(_name, _mode, \
+ target_stat_scsi_port_show_attr_##_name, \
+ target_stat_scsi_port_store_attr_##_name);
+
+#define DEV_STAT_SCSI_PORT_ATTR_RO(_name) \
+static struct target_stat_scsi_port_attribute \
+ target_stat_scsi_port_##_name = \
+ __CONFIGFS_EATTR_RO(_name, \
+ target_stat_scsi_port_show_attr_##_name);
+
+static ssize_t target_stat_scsi_port_show_attr_inst(
+ struct se_port_stat_grps *pgrps, char *page)
+{
+ struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
+ struct se_port *sep;
+ struct se_device *dev = lun->lun_se_dev;
+ struct se_hba *hba;
+ ssize_t ret;
+
+ spin_lock(&lun->lun_sep_lock);
+ sep = lun->lun_sep;
+ if (!sep) {
+ spin_unlock(&lun->lun_sep_lock);
+ return -ENODEV;
+ }
+ hba = dev->se_hba;
+ ret = snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
+ spin_unlock(&lun->lun_sep_lock);
+ return ret;
+}
+DEV_STAT_SCSI_PORT_ATTR_RO(inst);
+
+static ssize_t target_stat_scsi_port_show_attr_dev(
+ struct se_port_stat_grps *pgrps, char *page)
+{
+ struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
+ struct se_port *sep;
+ struct se_device *dev = lun->lun_se_dev;
+ ssize_t ret;
+
+ spin_lock(&lun->lun_sep_lock);
+ sep = lun->lun_sep;
+ if (!sep) {
+ spin_unlock(&lun->lun_sep_lock);
+ return -ENODEV;
+ }
+ ret = snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
+ spin_unlock(&lun->lun_sep_lock);
+ return ret;
+}
+DEV_STAT_SCSI_PORT_ATTR_RO(dev);
+
+static ssize_t target_stat_scsi_port_show_attr_indx(
+ struct se_port_stat_grps *pgrps, char *page)
+{
+ struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
+ struct se_port *sep;
+ ssize_t ret;
+
+ spin_lock(&lun->lun_sep_lock);
+ sep = lun->lun_sep;
+ if (!sep) {
+ spin_unlock(&lun->lun_sep_lock);
+ return -ENODEV;
+ }
+ ret = snprintf(page, PAGE_SIZE, "%u\n", sep->sep_index);
+ spin_unlock(&lun->lun_sep_lock);
+ return ret;
+}
+DEV_STAT_SCSI_PORT_ATTR_RO(indx);
+
+static ssize_t target_stat_scsi_port_show_attr_role(
+ struct se_port_stat_grps *pgrps, char *page)
+{
+ struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
+ struct se_device *dev = lun->lun_se_dev;
+ struct se_port *sep;
+ ssize_t ret;
+
+ if (!dev)
+ return -ENODEV;
+
+ spin_lock(&lun->lun_sep_lock);
+ sep = lun->lun_sep;
+ if (!sep) {
+ spin_unlock(&lun->lun_sep_lock);
+ return -ENODEV;
+ }
+ ret = snprintf(page, PAGE_SIZE, "%s%u\n", "Device", dev->dev_index);
+ spin_unlock(&lun->lun_sep_lock);
+ return ret;
+}
+DEV_STAT_SCSI_PORT_ATTR_RO(role);
+
+static ssize_t target_stat_scsi_port_show_attr_busy_count(
+ struct se_port_stat_grps *pgrps, char *page)
+{
+ struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
+ struct se_port *sep;
+ ssize_t ret;
+
+ spin_lock(&lun->lun_sep_lock);
+ sep = lun->lun_sep;
+ if (!sep) {
+ spin_unlock(&lun->lun_sep_lock);
+ return -ENODEV;
+ }
+ /* FIXME: scsiPortBusyStatuses */
+ ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
+ spin_unlock(&lun->lun_sep_lock);
+ return ret;
+}
+DEV_STAT_SCSI_PORT_ATTR_RO(busy_count);
+
+CONFIGFS_EATTR_OPS(target_stat_scsi_port, se_port_stat_grps, scsi_port_group);
+
+static struct configfs_attribute *target_stat_scsi_port_attrs[] = {
+ &target_stat_scsi_port_inst.attr,
+ &target_stat_scsi_port_dev.attr,
+ &target_stat_scsi_port_indx.attr,
+ &target_stat_scsi_port_role.attr,
+ &target_stat_scsi_port_busy_count.attr,
+ NULL,
+};
+
+static struct configfs_item_operations target_stat_scsi_port_attrib_ops = {
+ .show_attribute = target_stat_scsi_port_attr_show,
+ .store_attribute = target_stat_scsi_port_attr_store,
+};
+
+static struct config_item_type target_stat_scsi_port_cit = {
+ .ct_item_ops = &target_stat_scsi_port_attrib_ops,
+ .ct_attrs = target_stat_scsi_port_attrs,
+ .ct_owner = THIS_MODULE,
+};
+
+/*
+ * SCSI Target Port Table
+ */
+CONFIGFS_EATTR_STRUCT(target_stat_scsi_tgt_port, se_port_stat_grps);
+#define DEV_STAT_SCSI_TGT_PORT_ATTR(_name, _mode) \
+static struct target_stat_scsi_tgt_port_attribute \
+ target_stat_scsi_tgt_port_##_name = \
+ __CONFIGFS_EATTR(_name, _mode, \
+ target_stat_scsi_tgt_port_show_attr_##_name, \
+ target_stat_scsi_tgt_port_store_attr_##_name);
+
+#define DEV_STAT_SCSI_TGT_PORT_ATTR_RO(_name) \
+static struct target_stat_scsi_tgt_port_attribute \
+ target_stat_scsi_tgt_port_##_name = \
+ __CONFIGFS_EATTR_RO(_name, \
+ target_stat_scsi_tgt_port_show_attr_##_name);
+
+static ssize_t target_stat_scsi_tgt_port_show_attr_inst(
+ struct se_port_stat_grps *pgrps, char *page)
+{
+ struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
+ struct se_device *dev = lun->lun_se_dev;
+ struct se_port *sep;
+ struct se_hba *hba;
+ ssize_t ret;
+
+ spin_lock(&lun->lun_sep_lock);
+ sep = lun->lun_sep;
+ if (!sep) {
+ spin_unlock(&lun->lun_sep_lock);
+ return -ENODEV;
+ }
+ hba = dev->se_hba;
+ ret = snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
+ spin_unlock(&lun->lun_sep_lock);
+ return ret;
+}
+DEV_STAT_SCSI_TGT_PORT_ATTR_RO(inst);
+
+static ssize_t target_stat_scsi_tgt_port_show_attr_dev(
+ struct se_port_stat_grps *pgrps, char *page)
+{
+ struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
+ struct se_device *dev = lun->lun_se_dev;
+ struct se_port *sep;
+ ssize_t ret;
+
+ spin_lock(&lun->lun_sep_lock);
+ sep = lun->lun_sep;
+ if (!sep) {
+ spin_unlock(&lun->lun_sep_lock);
+ return -ENODEV;
+ }
+ ret = snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
+ spin_unlock(&lun->lun_sep_lock);
+ return ret;
+}
+DEV_STAT_SCSI_TGT_PORT_ATTR_RO(dev);
+
+static ssize_t target_stat_scsi_tgt_port_show_attr_indx(
+ struct se_port_stat_grps *pgrps, char *page)
+{
+ struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
+ struct se_port *sep;
+ ssize_t ret;
+
+ spin_lock(&lun->lun_sep_lock);
+ sep = lun->lun_sep;
+ if (!sep) {
+ spin_unlock(&lun->lun_sep_lock);
+ return -ENODEV;
+ }
+ ret = snprintf(page, PAGE_SIZE, "%u\n", sep->sep_index);
+ spin_unlock(&lun->lun_sep_lock);
+ return ret;
+}
+DEV_STAT_SCSI_TGT_PORT_ATTR_RO(indx);
+
+static ssize_t target_stat_scsi_tgt_port_show_attr_name(
+ struct se_port_stat_grps *pgrps, char *page)
+{
+ struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
+ struct se_port *sep;
+ struct se_portal_group *tpg;
+ ssize_t ret;
+
+ spin_lock(&lun->lun_sep_lock);
+ sep = lun->lun_sep;
+ if (!sep) {
+ spin_unlock(&lun->lun_sep_lock);
+ return -ENODEV;
+ }
+ tpg = sep->sep_tpg;
+
+ ret = snprintf(page, PAGE_SIZE, "%sPort#%u\n",
+ TPG_TFO(tpg)->get_fabric_name(), sep->sep_index);
+ spin_unlock(&lun->lun_sep_lock);
+ return ret;
+}
+DEV_STAT_SCSI_TGT_PORT_ATTR_RO(name);
+
+static ssize_t target_stat_scsi_tgt_port_show_attr_port_index(
+ struct se_port_stat_grps *pgrps, char *page)
+{
+ struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
+ struct se_port *sep;
+ struct se_portal_group *tpg;
+ ssize_t ret;
+
+ spin_lock(&lun->lun_sep_lock);
+ sep = lun->lun_sep;
+ if (!sep) {
+ spin_unlock(&lun->lun_sep_lock);
+ return -ENODEV;
+ }
+ tpg = sep->sep_tpg;
+
+ ret = snprintf(page, PAGE_SIZE, "%s%s%d\n",
+ TPG_TFO(tpg)->tpg_get_wwn(tpg), "+t+",
+ TPG_TFO(tpg)->tpg_get_tag(tpg));
+ spin_unlock(&lun->lun_sep_lock);
+ return ret;
+}
+DEV_STAT_SCSI_TGT_PORT_ATTR_RO(port_index);
+
+static ssize_t target_stat_scsi_tgt_port_show_attr_in_cmds(
+ struct se_port_stat_grps *pgrps, char *page)
+{
+ struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
+ struct se_port *sep;
+ struct se_portal_group *tpg;
+ ssize_t ret;
+
+ spin_lock(&lun->lun_sep_lock);
+ sep = lun->lun_sep;
+ if (!sep) {
+ spin_unlock(&lun->lun_sep_lock);
+ return -ENODEV;
+ }
+ tpg = sep->sep_tpg;
+
+ ret = snprintf(page, PAGE_SIZE, "%llu\n", sep->sep_stats.cmd_pdus);
+ spin_unlock(&lun->lun_sep_lock);
+ return ret;
+}
+DEV_STAT_SCSI_TGT_PORT_ATTR_RO(in_cmds);
+
+static ssize_t target_stat_scsi_tgt_port_show_attr_write_mbytes(
+ struct se_port_stat_grps *pgrps, char *page)
+{
+ struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
+ struct se_port *sep;
+ struct se_portal_group *tpg;
+ ssize_t ret;
+
+ spin_lock(&lun->lun_sep_lock);
+ sep = lun->lun_sep;
+ if (!sep) {
+ spin_unlock(&lun->lun_sep_lock);
+ return -ENODEV;
+ }
+ tpg = sep->sep_tpg;
+
+ ret = snprintf(page, PAGE_SIZE, "%u\n",
+ (u32)(sep->sep_stats.rx_data_octets >> 20));
+ spin_unlock(&lun->lun_sep_lock);
+ return ret;
+}
+DEV_STAT_SCSI_TGT_PORT_ATTR_RO(write_mbytes);
+
+static ssize_t target_stat_scsi_tgt_port_show_attr_read_mbytes(
+ struct se_port_stat_grps *pgrps, char *page)
+{
+ struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
+ struct se_port *sep;
+ struct se_portal_group *tpg;
+ ssize_t ret;
+
+ spin_lock(&lun->lun_sep_lock);
+ sep = lun->lun_sep;
+ if (!sep) {
+ spin_unlock(&lun->lun_sep_lock);
+ return -ENODEV;
+ }
+ tpg = sep->sep_tpg;
+
+ ret = snprintf(page, PAGE_SIZE, "%u\n",
+ (u32)(sep->sep_stats.tx_data_octets >> 20));
+ spin_unlock(&lun->lun_sep_lock);
+ return ret;
+}
+DEV_STAT_SCSI_TGT_PORT_ATTR_RO(read_mbytes);
+
+static ssize_t target_stat_scsi_tgt_port_show_attr_hs_in_cmds(
+ struct se_port_stat_grps *pgrps, char *page)
+{
+ struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
+ struct se_port *sep;
+ struct se_portal_group *tpg;
+ ssize_t ret;
+
+ spin_lock(&lun->lun_sep_lock);
+ sep = lun->lun_sep;
+ if (!sep) {
+ spin_unlock(&lun->lun_sep_lock);
+ return -ENODEV;
+ }
+ tpg = sep->sep_tpg;
+
+ /* FIXME: scsiTgtPortHsInCommands */
+ ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
+ spin_unlock(&lun->lun_sep_lock);
+ return ret;
+}
+DEV_STAT_SCSI_TGT_PORT_ATTR_RO(hs_in_cmds);
+
+CONFIGFS_EATTR_OPS(target_stat_scsi_tgt_port, se_port_stat_grps,
+ scsi_tgt_port_group);
+
+static struct configfs_attribute *target_stat_scsi_tgt_port_attrs[] = {
+ &target_stat_scsi_tgt_port_inst.attr,
+ &target_stat_scsi_tgt_port_dev.attr,
+ &target_stat_scsi_tgt_port_indx.attr,
+ &target_stat_scsi_tgt_port_name.attr,
+ &target_stat_scsi_tgt_port_port_index.attr,
+ &target_stat_scsi_tgt_port_in_cmds.attr,
+ &target_stat_scsi_tgt_port_write_mbytes.attr,
+ &target_stat_scsi_tgt_port_read_mbytes.attr,
+ &target_stat_scsi_tgt_port_hs_in_cmds.attr,
+ NULL,
+};
+
+static struct configfs_item_operations target_stat_scsi_tgt_port_attrib_ops = {
+ .show_attribute = target_stat_scsi_tgt_port_attr_show,
+ .store_attribute = target_stat_scsi_tgt_port_attr_store,
+};
+
+static struct config_item_type target_stat_scsi_tgt_port_cit = {
+ .ct_item_ops = &target_stat_scsi_tgt_port_attrib_ops,
+ .ct_attrs = target_stat_scsi_tgt_port_attrs,
+ .ct_owner = THIS_MODULE,
+};
+
+/*
+ * SCSI Transport Table
+o */
+
+CONFIGFS_EATTR_STRUCT(target_stat_scsi_transport, se_port_stat_grps);
+#define DEV_STAT_SCSI_TRANSPORT_ATTR(_name, _mode) \
+static struct target_stat_scsi_transport_attribute \
+ target_stat_scsi_transport_##_name = \
+ __CONFIGFS_EATTR(_name, _mode, \
+ target_stat_scsi_transport_show_attr_##_name, \
+ target_stat_scsi_transport_store_attr_##_name);
+
+#define DEV_STAT_SCSI_TRANSPORT_ATTR_RO(_name) \
+static struct target_stat_scsi_transport_attribute \
+ target_stat_scsi_transport_##_name = \
+ __CONFIGFS_EATTR_RO(_name, \
+ target_stat_scsi_transport_show_attr_##_name);
+
+static ssize_t target_stat_scsi_transport_show_attr_inst(
+ struct se_port_stat_grps *pgrps, char *page)
+{
+ struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
+ struct se_device *dev = lun->lun_se_dev;
+ struct se_port *sep;
+ struct se_hba *hba;
+ ssize_t ret;
+
+ spin_lock(&lun->lun_sep_lock);
+ sep = lun->lun_sep;
+ if (!sep) {
+ spin_unlock(&lun->lun_sep_lock);
+ return -ENODEV;
+ }
+
+ hba = dev->se_hba;
+ ret = snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
+ spin_unlock(&lun->lun_sep_lock);
+ return ret;
+}
+DEV_STAT_SCSI_TRANSPORT_ATTR_RO(inst);
+
+static ssize_t target_stat_scsi_transport_show_attr_device(
+ struct se_port_stat_grps *pgrps, char *page)
+{
+ struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
+ struct se_port *sep;
+ struct se_portal_group *tpg;
+ ssize_t ret;
+
+ spin_lock(&lun->lun_sep_lock);
+ sep = lun->lun_sep;
+ if (!sep) {
+ spin_unlock(&lun->lun_sep_lock);
+ return -ENODEV;
+ }
+ tpg = sep->sep_tpg;
+ /* scsiTransportType */
+ ret = snprintf(page, PAGE_SIZE, "scsiTransport%s\n",
+ TPG_TFO(tpg)->get_fabric_name());
+ spin_unlock(&lun->lun_sep_lock);
+ return ret;
+}
+DEV_STAT_SCSI_TRANSPORT_ATTR_RO(device);
+
+static ssize_t target_stat_scsi_transport_show_attr_indx(
+ struct se_port_stat_grps *pgrps, char *page)
+{
+ struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
+ struct se_port *sep;
+ struct se_portal_group *tpg;
+ ssize_t ret;
+
+ spin_lock(&lun->lun_sep_lock);
+ sep = lun->lun_sep;
+ if (!sep) {
+ spin_unlock(&lun->lun_sep_lock);
+ return -ENODEV;
+ }
+ tpg = sep->sep_tpg;
+ ret = snprintf(page, PAGE_SIZE, "%u\n",
+ TPG_TFO(tpg)->tpg_get_inst_index(tpg));
+ spin_unlock(&lun->lun_sep_lock);
+ return ret;
+}
+DEV_STAT_SCSI_TRANSPORT_ATTR_RO(indx);
+
+static ssize_t target_stat_scsi_transport_show_attr_dev_name(
+ struct se_port_stat_grps *pgrps, char *page)
+{
+ struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps);
+ struct se_device *dev = lun->lun_se_dev;
+ struct se_port *sep;
+ struct se_portal_group *tpg;
+ struct t10_wwn *wwn;
+ ssize_t ret;
+
+ spin_lock(&lun->lun_sep_lock);
+ sep = lun->lun_sep;
+ if (!sep) {
+ spin_unlock(&lun->lun_sep_lock);
+ return -ENODEV;
+ }
+ tpg = sep->sep_tpg;
+ wwn = DEV_T10_WWN(dev);
+ /* scsiTransportDevName */
+ ret = snprintf(page, PAGE_SIZE, "%s+%s\n",
+ TPG_TFO(tpg)->tpg_get_wwn(tpg),
+ (strlen(wwn->unit_serial)) ? wwn->unit_serial :
+ wwn->vendor);
+ spin_unlock(&lun->lun_sep_lock);
+ return ret;
+}
+DEV_STAT_SCSI_TRANSPORT_ATTR_RO(dev_name);
+
+CONFIGFS_EATTR_OPS(target_stat_scsi_transport, se_port_stat_grps,
+ scsi_transport_group);
+
+static struct configfs_attribute *target_stat_scsi_transport_attrs[] = {
+ &target_stat_scsi_transport_inst.attr,
+ &target_stat_scsi_transport_device.attr,
+ &target_stat_scsi_transport_indx.attr,
+ &target_stat_scsi_transport_dev_name.attr,
+ NULL,
+};
+
+static struct configfs_item_operations target_stat_scsi_transport_attrib_ops = {
+ .show_attribute = target_stat_scsi_transport_attr_show,
+ .store_attribute = target_stat_scsi_transport_attr_store,
+};
+
+static struct config_item_type target_stat_scsi_transport_cit = {
+ .ct_item_ops = &target_stat_scsi_transport_attrib_ops,
+ .ct_attrs = target_stat_scsi_transport_attrs,
+ .ct_owner = THIS_MODULE,
+};
+
+/*
+ * Called from target_core_fabric_configfs.c:target_fabric_make_lun() to setup
+ * the target port statistics groups + configfs CITs located in target_core_stat.c
+ */
+void target_stat_setup_port_default_groups(struct se_lun *lun)
+{
+ struct config_group *port_stat_grp = &PORT_STAT_GRP(lun)->stat_group;
+
+ config_group_init_type_name(&PORT_STAT_GRP(lun)->scsi_port_group,
+ "scsi_port", &target_stat_scsi_port_cit);
+ config_group_init_type_name(&PORT_STAT_GRP(lun)->scsi_tgt_port_group,
+ "scsi_tgt_port", &target_stat_scsi_tgt_port_cit);
+ config_group_init_type_name(&PORT_STAT_GRP(lun)->scsi_transport_group,
+ "scsi_transport", &target_stat_scsi_transport_cit);
+
+ port_stat_grp->default_groups[0] = &PORT_STAT_GRP(lun)->scsi_port_group;
+ port_stat_grp->default_groups[1] = &PORT_STAT_GRP(lun)->scsi_tgt_port_group;
+ port_stat_grp->default_groups[2] = &PORT_STAT_GRP(lun)->scsi_transport_group;
+ port_stat_grp->default_groups[3] = NULL;
+}
+
+/*
+ * SCSI Authorized Initiator Table
+ */
+
+CONFIGFS_EATTR_STRUCT(target_stat_scsi_auth_intr, se_ml_stat_grps);
+#define DEV_STAT_SCSI_AUTH_INTR_ATTR(_name, _mode) \
+static struct target_stat_scsi_auth_intr_attribute \
+ target_stat_scsi_auth_intr_##_name = \
+ __CONFIGFS_EATTR(_name, _mode, \
+ target_stat_scsi_auth_intr_show_attr_##_name, \
+ target_stat_scsi_auth_intr_store_attr_##_name);
+
+#define DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(_name) \
+static struct target_stat_scsi_auth_intr_attribute \
+ target_stat_scsi_auth_intr_##_name = \
+ __CONFIGFS_EATTR_RO(_name, \
+ target_stat_scsi_auth_intr_show_attr_##_name);
+
+static ssize_t target_stat_scsi_auth_intr_show_attr_inst(
+ struct se_ml_stat_grps *lgrps, char *page)
+{
+ struct se_lun_acl *lacl = container_of(lgrps,
+ struct se_lun_acl, ml_stat_grps);
+ struct se_node_acl *nacl = lacl->se_lun_nacl;
+ struct se_dev_entry *deve;
+ struct se_portal_group *tpg;
+ ssize_t ret;
+
+ spin_lock_irq(&nacl->device_list_lock);
+ deve = &nacl->device_list[lacl->mapped_lun];
+ if (!deve->se_lun || !deve->se_lun_acl) {
+ spin_unlock_irq(&nacl->device_list_lock);
+ return -ENODEV;
+ }
+ tpg = nacl->se_tpg;
+ /* scsiInstIndex */
+ ret = snprintf(page, PAGE_SIZE, "%u\n",
+ TPG_TFO(tpg)->tpg_get_inst_index(tpg));
+ spin_unlock_irq(&nacl->device_list_lock);
+ return ret;
+}
+DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(inst);
+
+static ssize_t target_stat_scsi_auth_intr_show_attr_dev(
+ struct se_ml_stat_grps *lgrps, char *page)
+{
+ struct se_lun_acl *lacl = container_of(lgrps,
+ struct se_lun_acl, ml_stat_grps);
+ struct se_node_acl *nacl = lacl->se_lun_nacl;
+ struct se_dev_entry *deve;
+ struct se_lun *lun;
+ struct se_portal_group *tpg;
+ ssize_t ret;
+
+ spin_lock_irq(&nacl->device_list_lock);
+ deve = &nacl->device_list[lacl->mapped_lun];
+ if (!deve->se_lun || !deve->se_lun_acl) {
+ spin_unlock_irq(&nacl->device_list_lock);
+ return -ENODEV;
+ }
+ tpg = nacl->se_tpg;
+ lun = deve->se_lun;
+ /* scsiDeviceIndex */
+ ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_se_dev->dev_index);
+ spin_unlock_irq(&nacl->device_list_lock);
+ return ret;
+}
+DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(dev);
+
+static ssize_t target_stat_scsi_auth_intr_show_attr_port(
+ struct se_ml_stat_grps *lgrps, char *page)
+{
+ struct se_lun_acl *lacl = container_of(lgrps,
+ struct se_lun_acl, ml_stat_grps);
+ struct se_node_acl *nacl = lacl->se_lun_nacl;
+ struct se_dev_entry *deve;
+ struct se_portal_group *tpg;
+ ssize_t ret;
+
+ spin_lock_irq(&nacl->device_list_lock);
+ deve = &nacl->device_list[lacl->mapped_lun];
+ if (!deve->se_lun || !deve->se_lun_acl) {
+ spin_unlock_irq(&nacl->device_list_lock);
+ return -ENODEV;
+ }
+ tpg = nacl->se_tpg;
+ /* scsiAuthIntrTgtPortIndex */
+ ret = snprintf(page, PAGE_SIZE, "%u\n", TPG_TFO(tpg)->tpg_get_tag(tpg));
+ spin_unlock_irq(&nacl->device_list_lock);
+ return ret;
+}
+DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(port);
+
+static ssize_t target_stat_scsi_auth_intr_show_attr_indx(
+ struct se_ml_stat_grps *lgrps, char *page)
+{
+ struct se_lun_acl *lacl = container_of(lgrps,
+ struct se_lun_acl, ml_stat_grps);
+ struct se_node_acl *nacl = lacl->se_lun_nacl;
+ struct se_dev_entry *deve;
+ ssize_t ret;
+
+ spin_lock_irq(&nacl->device_list_lock);
+ deve = &nacl->device_list[lacl->mapped_lun];
+ if (!deve->se_lun || !deve->se_lun_acl) {
+ spin_unlock_irq(&nacl->device_list_lock);
+ return -ENODEV;
+ }
+ /* scsiAuthIntrIndex */
+ ret = snprintf(page, PAGE_SIZE, "%u\n", nacl->acl_index);
+ spin_unlock_irq(&nacl->device_list_lock);
+ return ret;
+}
+DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(indx);
+
+static ssize_t target_stat_scsi_auth_intr_show_attr_dev_or_port(
+ struct se_ml_stat_grps *lgrps, char *page)
+{
+ struct se_lun_acl *lacl = container_of(lgrps,
+ struct se_lun_acl, ml_stat_grps);
+ struct se_node_acl *nacl = lacl->se_lun_nacl;
+ struct se_dev_entry *deve;
+ ssize_t ret;
+
+ spin_lock_irq(&nacl->device_list_lock);
+ deve = &nacl->device_list[lacl->mapped_lun];
+ if (!deve->se_lun || !deve->se_lun_acl) {
+ spin_unlock_irq(&nacl->device_list_lock);
+ return -ENODEV;
+ }
+ /* scsiAuthIntrDevOrPort */
+ ret = snprintf(page, PAGE_SIZE, "%u\n", 1);
+ spin_unlock_irq(&nacl->device_list_lock);
+ return ret;
+}
+DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(dev_or_port);
+
+static ssize_t target_stat_scsi_auth_intr_show_attr_intr_name(
+ struct se_ml_stat_grps *lgrps, char *page)
+{
+ struct se_lun_acl *lacl = container_of(lgrps,
+ struct se_lun_acl, ml_stat_grps);
+ struct se_node_acl *nacl = lacl->se_lun_nacl;
+ struct se_dev_entry *deve;
+ ssize_t ret;
+
+ spin_lock_irq(&nacl->device_list_lock);
+ deve = &nacl->device_list[lacl->mapped_lun];
+ if (!deve->se_lun || !deve->se_lun_acl) {
+ spin_unlock_irq(&nacl->device_list_lock);
+ return -ENODEV;
+ }
+ /* scsiAuthIntrName */
+ ret = snprintf(page, PAGE_SIZE, "%s\n", nacl->initiatorname);
+ spin_unlock_irq(&nacl->device_list_lock);
+ return ret;
+}
+DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(intr_name);
+
+static ssize_t target_stat_scsi_auth_intr_show_attr_map_indx(
+ struct se_ml_stat_grps *lgrps, char *page)
+{
+ struct se_lun_acl *lacl = container_of(lgrps,
+ struct se_lun_acl, ml_stat_grps);
+ struct se_node_acl *nacl = lacl->se_lun_nacl;
+ struct se_dev_entry *deve;
+ ssize_t ret;
+
+ spin_lock_irq(&nacl->device_list_lock);
+ deve = &nacl->device_list[lacl->mapped_lun];
+ if (!deve->se_lun || !deve->se_lun_acl) {
+ spin_unlock_irq(&nacl->device_list_lock);
+ return -ENODEV;
+ }
+ /* FIXME: scsiAuthIntrLunMapIndex */
+ ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
+ spin_unlock_irq(&nacl->device_list_lock);
+ return ret;
+}
+DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(map_indx);
+
+static ssize_t target_stat_scsi_auth_intr_show_attr_att_count(
+ struct se_ml_stat_grps *lgrps, char *page)
+{
+ struct se_lun_acl *lacl = container_of(lgrps,
+ struct se_lun_acl, ml_stat_grps);
+ struct se_node_acl *nacl = lacl->se_lun_nacl;
+ struct se_dev_entry *deve;
+ ssize_t ret;
+
+ spin_lock_irq(&nacl->device_list_lock);
+ deve = &nacl->device_list[lacl->mapped_lun];
+ if (!deve->se_lun || !deve->se_lun_acl) {
+ spin_unlock_irq(&nacl->device_list_lock);
+ return -ENODEV;
+ }
+ /* scsiAuthIntrAttachedTimes */
+ ret = snprintf(page, PAGE_SIZE, "%u\n", deve->attach_count);
+ spin_unlock_irq(&nacl->device_list_lock);
+ return ret;
+}
+DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(att_count);
+
+static ssize_t target_stat_scsi_auth_intr_show_attr_num_cmds(
+ struct se_ml_stat_grps *lgrps, char *page)
+{
+ struct se_lun_acl *lacl = container_of(lgrps,
+ struct se_lun_acl, ml_stat_grps);
+ struct se_node_acl *nacl = lacl->se_lun_nacl;
+ struct se_dev_entry *deve;
+ ssize_t ret;
+
+ spin_lock_irq(&nacl->device_list_lock);
+ deve = &nacl->device_list[lacl->mapped_lun];
+ if (!deve->se_lun || !deve->se_lun_acl) {
+ spin_unlock_irq(&nacl->device_list_lock);
+ return -ENODEV;
+ }
+ /* scsiAuthIntrOutCommands */
+ ret = snprintf(page, PAGE_SIZE, "%u\n", deve->total_cmds);
+ spin_unlock_irq(&nacl->device_list_lock);
+ return ret;
+}
+DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(num_cmds);
+
+static ssize_t target_stat_scsi_auth_intr_show_attr_read_mbytes(
+ struct se_ml_stat_grps *lgrps, char *page)
+{
+ struct se_lun_acl *lacl = container_of(lgrps,
+ struct se_lun_acl, ml_stat_grps);
+ struct se_node_acl *nacl = lacl->se_lun_nacl;
+ struct se_dev_entry *deve;
+ ssize_t ret;
+
+ spin_lock_irq(&nacl->device_list_lock);
+ deve = &nacl->device_list[lacl->mapped_lun];
+ if (!deve->se_lun || !deve->se_lun_acl) {
+ spin_unlock_irq(&nacl->device_list_lock);
+ return -ENODEV;
+ }
+ /* scsiAuthIntrReadMegaBytes */
+ ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(deve->read_bytes >> 20));
+ spin_unlock_irq(&nacl->device_list_lock);
+ return ret;
+}
+DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(read_mbytes);
+
+static ssize_t target_stat_scsi_auth_intr_show_attr_write_mbytes(
+ struct se_ml_stat_grps *lgrps, char *page)
+{
+ struct se_lun_acl *lacl = container_of(lgrps,
+ struct se_lun_acl, ml_stat_grps);
+ struct se_node_acl *nacl = lacl->se_lun_nacl;
+ struct se_dev_entry *deve;
+ ssize_t ret;
+
+ spin_lock_irq(&nacl->device_list_lock);
+ deve = &nacl->device_list[lacl->mapped_lun];
+ if (!deve->se_lun || !deve->se_lun_acl) {
+ spin_unlock_irq(&nacl->device_list_lock);
+ return -ENODEV;
+ }
+ /* scsiAuthIntrWrittenMegaBytes */
+ ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(deve->write_bytes >> 20));
+ spin_unlock_irq(&nacl->device_list_lock);
+ return ret;
+}
+DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(write_mbytes);
+
+static ssize_t target_stat_scsi_auth_intr_show_attr_hs_num_cmds(
+ struct se_ml_stat_grps *lgrps, char *page)
+{
+ struct se_lun_acl *lacl = container_of(lgrps,
+ struct se_lun_acl, ml_stat_grps);
+ struct se_node_acl *nacl = lacl->se_lun_nacl;
+ struct se_dev_entry *deve;
+ ssize_t ret;
+
+ spin_lock_irq(&nacl->device_list_lock);
+ deve = &nacl->device_list[lacl->mapped_lun];
+ if (!deve->se_lun || !deve->se_lun_acl) {
+ spin_unlock_irq(&nacl->device_list_lock);
+ return -ENODEV;
+ }
+ /* FIXME: scsiAuthIntrHSOutCommands */
+ ret = snprintf(page, PAGE_SIZE, "%u\n", 0);
+ spin_unlock_irq(&nacl->device_list_lock);
+ return ret;
+}
+DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(hs_num_cmds);
+
+static ssize_t target_stat_scsi_auth_intr_show_attr_creation_time(
+ struct se_ml_stat_grps *lgrps, char *page)
+{
+ struct se_lun_acl *lacl = container_of(lgrps,
+ struct se_lun_acl, ml_stat_grps);
+ struct se_node_acl *nacl = lacl->se_lun_nacl;
+ struct se_dev_entry *deve;
+ ssize_t ret;
+
+ spin_lock_irq(&nacl->device_list_lock);
+ deve = &nacl->device_list[lacl->mapped_lun];
+ if (!deve->se_lun || !deve->se_lun_acl) {
+ spin_unlock_irq(&nacl->device_list_lock);
+ return -ENODEV;
+ }
+ /* scsiAuthIntrLastCreation */
+ ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(((u32)deve->creation_time -
+ INITIAL_JIFFIES) * 100 / HZ));
+ spin_unlock_irq(&nacl->device_list_lock);
+ return ret;
+}
+DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(creation_time);
+
+static ssize_t target_stat_scsi_auth_intr_show_attr_row_status(
+ struct se_ml_stat_grps *lgrps, char *page)
+{
+ struct se_lun_acl *lacl = container_of(lgrps,
+ struct se_lun_acl, ml_stat_grps);
+ struct se_node_acl *nacl = lacl->se_lun_nacl;
+ struct se_dev_entry *deve;
+ ssize_t ret;
+
+ spin_lock_irq(&nacl->device_list_lock);
+ deve = &nacl->device_list[lacl->mapped_lun];
+ if (!deve->se_lun || !deve->se_lun_acl) {
+ spin_unlock_irq(&nacl->device_list_lock);
+ return -ENODEV;
+ }
+ /* FIXME: scsiAuthIntrRowStatus */
+ ret = snprintf(page, PAGE_SIZE, "Ready\n");
+ spin_unlock_irq(&nacl->device_list_lock);
+ return ret;
+}
+DEV_STAT_SCSI_AUTH_INTR_ATTR_RO(row_status);
+
+CONFIGFS_EATTR_OPS(target_stat_scsi_auth_intr, se_ml_stat_grps,
+ scsi_auth_intr_group);
+
+static struct configfs_attribute *target_stat_scsi_auth_intr_attrs[] = {
+ &target_stat_scsi_auth_intr_inst.attr,
+ &target_stat_scsi_auth_intr_dev.attr,
+ &target_stat_scsi_auth_intr_port.attr,
+ &target_stat_scsi_auth_intr_indx.attr,
+ &target_stat_scsi_auth_intr_dev_or_port.attr,
+ &target_stat_scsi_auth_intr_intr_name.attr,
+ &target_stat_scsi_auth_intr_map_indx.attr,
+ &target_stat_scsi_auth_intr_att_count.attr,
+ &target_stat_scsi_auth_intr_num_cmds.attr,
+ &target_stat_scsi_auth_intr_read_mbytes.attr,
+ &target_stat_scsi_auth_intr_write_mbytes.attr,
+ &target_stat_scsi_auth_intr_hs_num_cmds.attr,
+ &target_stat_scsi_auth_intr_creation_time.attr,
+ &target_stat_scsi_auth_intr_row_status.attr,
+ NULL,
+};
+
+static struct configfs_item_operations target_stat_scsi_auth_intr_attrib_ops = {
+ .show_attribute = target_stat_scsi_auth_intr_attr_show,
+ .store_attribute = target_stat_scsi_auth_intr_attr_store,
+};
+
+static struct config_item_type target_stat_scsi_auth_intr_cit = {
+ .ct_item_ops = &target_stat_scsi_auth_intr_attrib_ops,
+ .ct_attrs = target_stat_scsi_auth_intr_attrs,
+ .ct_owner = THIS_MODULE,
+};
+
+/*
+ * SCSI Attached Initiator Port Table
+ */
+
+CONFIGFS_EATTR_STRUCT(target_stat_scsi_att_intr_port, se_ml_stat_grps);
+#define DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR(_name, _mode) \
+static struct target_stat_scsi_att_intr_port_attribute \
+ target_stat_scsi_att_intr_port_##_name = \
+ __CONFIGFS_EATTR(_name, _mode, \
+ target_stat_scsi_att_intr_port_show_attr_##_name, \
+ target_stat_scsi_att_intr_port_store_attr_##_name);
+
+#define DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(_name) \
+static struct target_stat_scsi_att_intr_port_attribute \
+ target_stat_scsi_att_intr_port_##_name = \
+ __CONFIGFS_EATTR_RO(_name, \
+ target_stat_scsi_att_intr_port_show_attr_##_name);
+
+static ssize_t target_stat_scsi_att_intr_port_show_attr_inst(
+ struct se_ml_stat_grps *lgrps, char *page)
+{
+ struct se_lun_acl *lacl = container_of(lgrps,
+ struct se_lun_acl, ml_stat_grps);
+ struct se_node_acl *nacl = lacl->se_lun_nacl;
+ struct se_dev_entry *deve;
+ struct se_portal_group *tpg;
+ ssize_t ret;
+
+ spin_lock_irq(&nacl->device_list_lock);
+ deve = &nacl->device_list[lacl->mapped_lun];
+ if (!deve->se_lun || !deve->se_lun_acl) {
+ spin_unlock_irq(&nacl->device_list_lock);
+ return -ENODEV;
+ }
+ tpg = nacl->se_tpg;
+ /* scsiInstIndex */
+ ret = snprintf(page, PAGE_SIZE, "%u\n",
+ TPG_TFO(tpg)->tpg_get_inst_index(tpg));
+ spin_unlock_irq(&nacl->device_list_lock);
+ return ret;
+}
+DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(inst);
+
+static ssize_t target_stat_scsi_att_intr_port_show_attr_dev(
+ struct se_ml_stat_grps *lgrps, char *page)
+{
+ struct se_lun_acl *lacl = container_of(lgrps,
+ struct se_lun_acl, ml_stat_grps);
+ struct se_node_acl *nacl = lacl->se_lun_nacl;
+ struct se_dev_entry *deve;
+ struct se_lun *lun;
+ struct se_portal_group *tpg;
+ ssize_t ret;
+
+ spin_lock_irq(&nacl->device_list_lock);
+ deve = &nacl->device_list[lacl->mapped_lun];
+ if (!deve->se_lun || !deve->se_lun_acl) {
+ spin_unlock_irq(&nacl->device_list_lock);
+ return -ENODEV;
+ }
+ tpg = nacl->se_tpg;
+ lun = deve->se_lun;
+ /* scsiDeviceIndex */
+ ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_se_dev->dev_index);
+ spin_unlock_irq(&nacl->device_list_lock);
+ return ret;
+}
+DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(dev);
+
+static ssize_t target_stat_scsi_att_intr_port_show_attr_port(
+ struct se_ml_stat_grps *lgrps, char *page)
+{
+ struct se_lun_acl *lacl = container_of(lgrps,
+ struct se_lun_acl, ml_stat_grps);
+ struct se_node_acl *nacl = lacl->se_lun_nacl;
+ struct se_dev_entry *deve;
+ struct se_portal_group *tpg;
+ ssize_t ret;
+
+ spin_lock_irq(&nacl->device_list_lock);
+ deve = &nacl->device_list[lacl->mapped_lun];
+ if (!deve->se_lun || !deve->se_lun_acl) {
+ spin_unlock_irq(&nacl->device_list_lock);
+ return -ENODEV;
+ }
+ tpg = nacl->se_tpg;
+ /* scsiPortIndex */
+ ret = snprintf(page, PAGE_SIZE, "%u\n", TPG_TFO(tpg)->tpg_get_tag(tpg));
+ spin_unlock_irq(&nacl->device_list_lock);
+ return ret;
+}
+DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(port);
+
+static ssize_t target_stat_scsi_att_intr_port_show_attr_indx(
+ struct se_ml_stat_grps *lgrps, char *page)
+{
+ struct se_lun_acl *lacl = container_of(lgrps,
+ struct se_lun_acl, ml_stat_grps);
+ struct se_node_acl *nacl = lacl->se_lun_nacl;
+ struct se_session *se_sess;
+ struct se_portal_group *tpg;
+ ssize_t ret;
+
+ spin_lock_irq(&nacl->nacl_sess_lock);
+ se_sess = nacl->nacl_sess;
+ if (!se_sess) {
+ spin_unlock_irq(&nacl->nacl_sess_lock);
+ return -ENODEV;
+ }
+
+ tpg = nacl->se_tpg;
+ /* scsiAttIntrPortIndex */
+ ret = snprintf(page, PAGE_SIZE, "%u\n",
+ TPG_TFO(tpg)->sess_get_index(se_sess));
+ spin_unlock_irq(&nacl->nacl_sess_lock);
+ return ret;
+}
+DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(indx);
+
+static ssize_t target_stat_scsi_att_intr_port_show_attr_port_auth_indx(
+ struct se_ml_stat_grps *lgrps, char *page)
+{
+ struct se_lun_acl *lacl = container_of(lgrps,
+ struct se_lun_acl, ml_stat_grps);
+ struct se_node_acl *nacl = lacl->se_lun_nacl;
+ struct se_dev_entry *deve;
+ ssize_t ret;
+
+ spin_lock_irq(&nacl->device_list_lock);
+ deve = &nacl->device_list[lacl->mapped_lun];
+ if (!deve->se_lun || !deve->se_lun_acl) {
+ spin_unlock_irq(&nacl->device_list_lock);
+ return -ENODEV;
+ }
+ /* scsiAttIntrPortAuthIntrIdx */
+ ret = snprintf(page, PAGE_SIZE, "%u\n", nacl->acl_index);
+ spin_unlock_irq(&nacl->device_list_lock);
+ return ret;
+}
+DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(port_auth_indx);
+
+static ssize_t target_stat_scsi_att_intr_port_show_attr_port_ident(
+ struct se_ml_stat_grps *lgrps, char *page)
+{
+ struct se_lun_acl *lacl = container_of(lgrps,
+ struct se_lun_acl, ml_stat_grps);
+ struct se_node_acl *nacl = lacl->se_lun_nacl;
+ struct se_session *se_sess;
+ struct se_portal_group *tpg;
+ ssize_t ret;
+ unsigned char buf[64];
+
+ spin_lock_irq(&nacl->nacl_sess_lock);
+ se_sess = nacl->nacl_sess;
+ if (!se_sess) {
+ spin_unlock_irq(&nacl->nacl_sess_lock);
+ return -ENODEV;
+ }
+
+ tpg = nacl->se_tpg;
+ /* scsiAttIntrPortName+scsiAttIntrPortIdentifier */
+ memset(buf, 0, 64);
+ if (TPG_TFO(tpg)->sess_get_initiator_sid != NULL)
+ TPG_TFO(tpg)->sess_get_initiator_sid(se_sess,
+ (unsigned char *)&buf[0], 64);
+
+ ret = snprintf(page, PAGE_SIZE, "%s+i+%s\n", nacl->initiatorname, buf);
+ spin_unlock_irq(&nacl->nacl_sess_lock);
+ return ret;
+}
+DEV_STAT_SCSI_ATTR_INTR_PORT_ATTR_RO(port_ident);
+
+CONFIGFS_EATTR_OPS(target_stat_scsi_att_intr_port, se_ml_stat_grps,
+ scsi_att_intr_port_group);
+
+static struct configfs_attribute *target_stat_scsi_ath_intr_port_attrs[] = {
+ &target_stat_scsi_att_intr_port_inst.attr,
+ &target_stat_scsi_att_intr_port_dev.attr,
+ &target_stat_scsi_att_intr_port_port.attr,
+ &target_stat_scsi_att_intr_port_indx.attr,
+ &target_stat_scsi_att_intr_port_port_auth_indx.attr,
+ &target_stat_scsi_att_intr_port_port_ident.attr,
+ NULL,
+};
+
+static struct configfs_item_operations target_stat_scsi_att_intr_port_attrib_ops = {
+ .show_attribute = target_stat_scsi_att_intr_port_attr_show,
+ .store_attribute = target_stat_scsi_att_intr_port_attr_store,
+};
+
+static struct config_item_type target_stat_scsi_att_intr_port_cit = {
+ .ct_item_ops = &target_stat_scsi_att_intr_port_attrib_ops,
+ .ct_attrs = target_stat_scsi_ath_intr_port_attrs,
+ .ct_owner = THIS_MODULE,
+};
+
+/*
+ * Called from target_core_fabric_configfs.c:target_fabric_make_mappedlun() to setup
+ * the target MappedLUN statistics groups + configfs CITs located in target_core_stat.c
+ */
+void target_stat_setup_mappedlun_default_groups(struct se_lun_acl *lacl)
+{
+ struct config_group *ml_stat_grp = &ML_STAT_GRPS(lacl)->stat_group;
+
+ config_group_init_type_name(&ML_STAT_GRPS(lacl)->scsi_auth_intr_group,
+ "scsi_auth_intr", &target_stat_scsi_auth_intr_cit);
+ config_group_init_type_name(&ML_STAT_GRPS(lacl)->scsi_att_intr_port_group,
+ "scsi_att_intr_port", &target_stat_scsi_att_intr_port_cit);
+
+ ml_stat_grp->default_groups[0] = &ML_STAT_GRPS(lacl)->scsi_auth_intr_group;
+ ml_stat_grp->default_groups[1] = &ML_STAT_GRPS(lacl)->scsi_att_intr_port_group;
+ ml_stat_grp->default_groups[2] = NULL;
+}
diff --git a/drivers/target/target_core_stat.h b/drivers/target/target_core_stat.h
new file mode 100644
index 000000000000..86c252f9ea47
--- /dev/null
+++ b/drivers/target/target_core_stat.h
@@ -0,0 +1,8 @@
+#ifndef TARGET_CORE_STAT_H
+#define TARGET_CORE_STAT_H
+
+extern void target_stat_setup_dev_default_groups(struct se_subsystem_dev *);
+extern void target_stat_setup_port_default_groups(struct se_lun *);
+extern void target_stat_setup_mappedlun_default_groups(struct se_lun_acl *);
+
+#endif /*** TARGET_CORE_STAT_H ***/
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index 79f2e0a30dc8..c15ed5026fb5 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -601,7 +601,8 @@ struct se_node_acl {
struct config_group acl_attrib_group;
struct config_group acl_auth_group;
struct config_group acl_param_group;
- struct config_group *acl_default_groups[4];
+ struct config_group acl_fabric_stat_group;
+ struct config_group *acl_default_groups[5];
struct list_head acl_list;
struct list_head acl_sess_list;
} ____cacheline_aligned;
@@ -622,6 +623,12 @@ struct se_device;
struct se_transform_info;
struct scatterlist;
+struct se_ml_stat_grps {
+ struct config_group stat_group;
+ struct config_group scsi_auth_intr_group;
+ struct config_group scsi_att_intr_port_group;
+};
+
struct se_lun_acl {
char initiatorname[TRANSPORT_IQN_LEN];
u32 mapped_lun;
@@ -629,8 +636,11 @@ struct se_lun_acl {
struct se_lun *se_lun;
struct list_head lacl_list;
struct config_group se_lun_group;
+ struct se_ml_stat_grps ml_stat_grps;
} ____cacheline_aligned;
+#define ML_STAT_GRPS(lacl) (&(lacl)->ml_stat_grps)
+
struct se_dev_entry {
bool def_pr_registered;
/* See transport_lunflags_table */
@@ -693,6 +703,13 @@ struct se_dev_attrib {
struct config_group da_group;
} ____cacheline_aligned;
+struct se_dev_stat_grps {
+ struct config_group stat_group;
+ struct config_group scsi_dev_group;
+ struct config_group scsi_tgt_dev_group;
+ struct config_group scsi_lu_group;
+};
+
struct se_subsystem_dev {
/* Used for struct se_subsystem_dev-->se_dev_alias, must be less than PAGE_SIZE */
#define SE_DEV_ALIAS_LEN 512
@@ -716,11 +733,14 @@ struct se_subsystem_dev {
struct config_group se_dev_group;
/* For T10 Reservations */
struct config_group se_dev_pr_group;
+ /* For target_core_stat.c groups */
+ struct se_dev_stat_grps dev_stat_grps;
} ____cacheline_aligned;
#define T10_ALUA(su_dev) (&(su_dev)->t10_alua)
#define T10_RES(su_dev) (&(su_dev)->t10_reservation)
#define T10_PR_OPS(su_dev) (&(su_dev)->t10_reservation.pr_ops)
+#define DEV_STAT_GRP(dev) (&(dev)->dev_stat_grps)
struct se_device {
/* Set to 1 if thread is NOT sleeping on thread_sem */
@@ -834,6 +854,13 @@ struct se_hba {
#define SE_HBA(dev) ((dev)->se_hba)
+struct se_port_stat_grps {
+ struct config_group stat_group;
+ struct config_group scsi_port_group;
+ struct config_group scsi_tgt_port_group;
+ struct config_group scsi_transport_group;
+};
+
struct se_lun {
/* See transport_lun_status_table */
enum transport_lun_status_table lun_status;
@@ -848,11 +875,13 @@ struct se_lun {
struct list_head lun_cmd_list;
struct list_head lun_acl_list;
struct se_device *lun_se_dev;
+ struct se_port *lun_sep;
struct config_group lun_group;
- struct se_port *lun_sep;
+ struct se_port_stat_grps port_stat_grps;
} ____cacheline_aligned;
#define SE_LUN(cmd) ((cmd)->se_lun)
+#define PORT_STAT_GRP(lun) (&(lun)->port_stat_grps)
struct scsi_port_stats {
u64 cmd_pdus;
@@ -924,6 +953,8 @@ struct se_portal_group {
struct se_wwn {
struct target_fabric_configfs *wwn_tf;
struct config_group wwn_group;
+ struct config_group *wwn_default_groups[2];
+ struct config_group fabric_stat_group;
} ____cacheline_aligned;
struct se_global {
diff --git a/include/target/target_core_configfs.h b/include/target/target_core_configfs.h
index 40e6e740527c..612509592ffd 100644
--- a/include/target/target_core_configfs.h
+++ b/include/target/target_core_configfs.h
@@ -14,10 +14,12 @@ extern void target_fabric_configfs_deregister(struct target_fabric_configfs *);
struct target_fabric_configfs_template {
struct config_item_type tfc_discovery_cit;
struct config_item_type tfc_wwn_cit;
+ struct config_item_type tfc_wwn_fabric_stats_cit;
struct config_item_type tfc_tpg_cit;
struct config_item_type tfc_tpg_base_cit;
struct config_item_type tfc_tpg_lun_cit;
struct config_item_type tfc_tpg_port_cit;
+ struct config_item_type tfc_tpg_port_stat_cit;
struct config_item_type tfc_tpg_np_cit;
struct config_item_type tfc_tpg_np_base_cit;
struct config_item_type tfc_tpg_attrib_cit;
@@ -27,7 +29,9 @@ struct target_fabric_configfs_template {
struct config_item_type tfc_tpg_nacl_attrib_cit;
struct config_item_type tfc_tpg_nacl_auth_cit;
struct config_item_type tfc_tpg_nacl_param_cit;
+ struct config_item_type tfc_tpg_nacl_stat_cit;
struct config_item_type tfc_tpg_mappedlun_cit;
+ struct config_item_type tfc_tpg_mappedlun_stat_cit;
};
struct target_fabric_configfs {
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-14 09:17:13 +0000