/******************************************************************************* * Filename: target_core_stat.c * * Modern ConfigFS group context specific statistics based on original * target_core_mib.c code * * (c) Copyright 2006-2013 Datera, Inc. * * Nicholas A. Bellinger * * 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 #include #include #include #include #include #include #include #include #include #include #include #include "target_core_internal.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 */ static struct se_device *to_stat_dev(struct config_item *item) { struct se_dev_stat_grps *sgrps = container_of(to_config_group(item), struct se_dev_stat_grps, scsi_dev_group); return container_of(sgrps, struct se_device, dev_stat_grps); } static ssize_t target_stat_inst_show(struct config_item *item, char *page) { struct se_hba *hba = to_stat_dev(item)->se_hba; return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index); } static ssize_t target_stat_indx_show(struct config_item *item, char *page) { return snprintf(page, PAGE_SIZE, "%u\n", to_stat_dev(item)->dev_index); } static ssize_t target_stat_role_show(struct config_item *item, char *page) { return snprintf(page, PAGE_SIZE, "Target\n"); } static ssize_t target_stat_ports_show(struct config_item *item, char *page) { return snprintf(page, PAGE_SIZE, "%u\n", to_stat_dev(item)->export_count); } CONFIGFS_ATTR_RO(target_stat_, inst); CONFIGFS_ATTR_RO(target_stat_, indx); CONFIGFS_ATTR_RO(target_stat_, role); CONFIGFS_ATTR_RO(target_stat_, ports); static struct configfs_attribute *target_stat_scsi_dev_attrs[] = { &target_stat_attr_inst, &target_stat_attr_indx, &target_stat_attr_role, &target_stat_attr_ports, NULL, }; static const struct config_item_type target_stat_scsi_dev_cit = { .ct_attrs = target_stat_scsi_dev_attrs, .ct_owner = THIS_MODULE, }; /* * SCSI Target Device Table */ static struct se_device *to_stat_tgt_dev(struct config_item *item) { struct se_dev_stat_grps *sgrps = container_of(to_config_group(item), struct se_dev_stat_grps, scsi_tgt_dev_group); return container_of(sgrps, struct se_device, dev_stat_grps); } static ssize_t target_stat_tgt_inst_show(struct config_item *item, char *page) { struct se_hba *hba = to_stat_tgt_dev(item)->se_hba; return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index); } static ssize_t target_stat_tgt_indx_show(struct config_item *item, char *page) { return snprintf(page, PAGE_SIZE, "%u\n", to_stat_tgt_dev(item)->dev_index); } static ssize_t target_stat_tgt_num_lus_show(struct config_item *item, char *page) { return snprintf(page, PAGE_SIZE, "%u\n", LU_COUNT); } static ssize_t target_stat_tgt_status_show(struct config_item *item, char *page) { if (to_stat_tgt_dev(item)->export_count) return snprintf(page, PAGE_SIZE, "activated"); else return snprintf(page, PAGE_SIZE, "deactivated"); } static ssize_t target_stat_tgt_non_access_lus_show(struct config_item *item, char *page) { int non_accessible_lus; if (to_stat_tgt_dev(item)->export_count) non_accessible_lus = 0; else non_accessible_lus = 1; return snprintf(page, PAGE_SIZE, "%u\n", non_accessible_lus); } static ssize_t target_stat_tgt_resets_show(struct config_item *item, char *page) { return snprintf(page, PAGE_SIZE, "%lu\n", atomic_long_read(&to_stat_tgt_dev(item)->num_resets)); } static ssize_t target_stat_tgt_aborts_complete_show(struct config_item *item, char *page) { return snprintf(page, PAGE_SIZE, "%lu\n", atomic_long_read(&to_stat_tgt_dev(item)->aborts_complete)); } static ssize_t target_stat_tgt_aborts_no_task_show(struct config_item *item, char *page) { return snprintf(page, PAGE_SIZE, "%lu\n", atomic_long_read(&to_stat_tgt_dev(item)->aborts_no_task)); } CONFIGFS_ATTR_RO(target_stat_tgt_, inst); CONFIGFS_ATTR_RO(target_stat_tgt_, indx); CONFIGFS_ATTR_RO(target_stat_tgt_, num_lus); CONFIGFS_ATTR_RO(target_stat_tgt_, status); CONFIGFS_ATTR_RO(target_stat_tgt_, non_access_lus); CONFIGFS_ATTR_RO(target_stat_tgt_, resets); CONFIGFS_ATTR_RO(target_stat_tgt_, aborts_complete); CONFIGFS_ATTR_RO(target_stat_tgt_, aborts_no_task); static struct configfs_attribute *target_stat_scsi_tgt_dev_attrs[] = { &target_stat_tgt_attr_inst, &target_stat_tgt_attr_indx, &target_stat_tgt_attr_num_lus, &target_stat_tgt_attr_status, &target_stat_tgt_attr_non_access_lus, &target_stat_tgt_attr_resets, &target_stat_tgt_attr_aborts_complete, &target_stat_tgt_attr_aborts_no_task, NULL, }; static const struct config_item_type target_stat_scsi_tgt_dev_cit = { .ct_attrs = target_stat_scsi_tgt_dev_attrs, .ct_owner = THIS_MODULE, }; /* * SCSI Logical Unit Table */ static struct se_device *to_stat_lu_dev(struct config_item *item) { struct se_dev_stat_grps *sgrps = container_of(to_config_group(item), struct se_dev_stat_grps, scsi_lu_group); return container_of(sgrps, struct se_device, dev_stat_grps); } static ssize_t target_stat_lu_inst_show(struct config_item *item, char *page) { struct se_hba *hba = to_stat_lu_dev(item)->se_hba; return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index); } static ssize_t target_stat_lu_dev_show(struct config_item *item, char *page) { return snprintf(page, PAGE_SIZE, "%u\n", to_stat_lu_dev(item)->dev_index); } static ssize_t target_stat_lu_indx_show(struct config_item *item, char *page) { return snprintf(page, PAGE_SIZE, "%u\n", SCSI_LU_INDEX); } static ssize_t target_stat_lu_lun_show(struct config_item *item, char *page) { /* FIXME: scsiLuDefaultLun */ return snprintf(page, PAGE_SIZE, "%llu\n", (unsigned long long)0); } static ssize_t target_stat_lu_lu_name_show(struct config_item *item, char *page) { struct se_device *dev = to_stat_lu_dev(item); /* scsiLuWwnName */ return snprintf(page, PAGE_SIZE, "%s\n", (strlen(dev->t10_wwn.unit_serial)) ? dev->t10_wwn.unit_serial : "None"); } static ssize_t target_stat_lu_vend_show(struct config_item *item, char *page) { struct se_device *dev = to_stat_lu_dev(item); int i; char str[sizeof(dev->t10_wwn.vendor)+1]; /* scsiLuVendorId */ for (i = 0; i < sizeof(dev->t10_wwn.vendor); i++) str[i] = ISPRINT(dev->t10_wwn.vendor[i]) ? dev->t10_wwn.vendor[i] : ' '; str[i] = '\0'; return snprintf(page, PAGE_SIZE, "%s\n", str); } static ssize_t target_stat_lu_prod_show(struct config_item *item, char *page) { struct se_device *dev = to_stat_lu_dev(item); int i; char str[sizeof(dev->t10_wwn.model)+1]; /* scsiLuProductId */ for (i = 0; i < sizeof(dev->t10_wwn.model); i++) str[i] = ISPRINT(dev->t10_wwn.model[i]) ? dev->t10_wwn.model[i] : ' '; str[i] = '\0'; return snprintf(page, PAGE_SIZE, "%s\n", str); } static ssize_t target_stat_lu_rev_show(struct config_item *item, char *page) { struct se_device *dev = to_stat_lu_dev(item); int i; char str[sizeof(dev->t10_wwn.revision)+1]; /* scsiLuRevisionId */ for (i = 0; i < sizeof(dev->t10_wwn.revision); i++) str[i] = ISPRINT(dev->t10_wwn.revision[i]) ? dev->t10_wwn.revision[i] : ' '; str[i] = '\0'; return snprintf(page, PAGE_SIZE, "%s\n", str); } static ssize_t target_stat_lu_dev_type_show(struct config_item *item, char *page) { struct se_device *dev = to_stat_lu_dev(item); /* scsiLuPeripheralType */ return snprintf(page, PAGE_SIZE, "%u\n", dev->transport->get_device_type(dev)); } static ssize_t target_stat_lu_status_show(struct config_item *item, char *page) { struct se_device *dev = to_stat_lu_dev(item); /* scsiLuStatus */ return snprintf(page, PAGE_SIZE, "%s\n", (dev->export_count) ? "available" : "notavailable"); } static ssize_t target_stat_lu_state_bit_show(struct config_item *item, char *page) { /* scsiLuState */ return snprintf(page, PAGE_SIZE, "exposed\n"); } static ssize_t target_stat_lu_num_cmds_show(struct config_item *item, char *page) { struct se_device *dev = to_stat_lu_dev(item); /* scsiLuNumCommands */ return snprintf(page, PAGE_SIZE, "%lu\n", atomic_long_read(&dev->num_cmds)); } static ssize_t target_stat_lu_read_mbytes_show(struct config_item *item, char *page) { struct se_device *dev = to_stat_lu_dev(item); /* scsiLuReadMegaBytes */ return snprintf(page, PAGE_SIZE, "%lu\n", atomic_long_read(&dev->read_bytes) >> 20); } static ssize_t target_stat_lu_write_mbytes_show(struct config_item *item, char *page) { struct se_device *dev = to_stat_lu_dev(item); /* scsiLuWrittenMegaBytes */ return snprintf(page, PAGE_SIZE, "%lu\n", atomic_long_read(&dev->write_bytes) >> 20); } static ssize_t target_stat_lu_resets_show(struct config_item *item, char *page) { struct se_device *dev = to_stat_lu_dev(item); /* scsiLuInResets */ return snprintf(page, PAGE_SIZE, "%lu\n", atomic_long_read(&dev->num_resets)); } static ssize_t target_stat_lu_full_stat_show(struct config_item *item, char *page) { /* FIXME: scsiLuOutTaskSetFullStatus */ return snprintf(page, PAGE_SIZE, "%u\n", 0); } static ssize_t target_stat_lu_hs_num_cmds_show(struct config_item *item, char *page) { /* FIXME: scsiLuHSInCommands */ return snprintf(page, PAGE_SIZE, "%u\n", 0); } static ssize_t target_stat_lu_creation_time_show(struct config_item *item, char *page) { struct se_device *dev = to_stat_lu_dev(item); /* scsiLuCreationTime */ return snprintf(page, PAGE_SIZE, "%u\n", (u32)(((u32)dev->creation_time - INITIAL_JIFFIES) * 100 / HZ)); } CONFIGFS_ATTR_RO(target_stat_lu_, inst); CONFIGFS_ATTR_RO(target_stat_lu_, dev); CONFIGFS_ATTR_RO(target_stat_lu_, indx); CONFIGFS_ATTR_RO(target_stat_lu_, lun); CONFIGFS_ATTR_RO(target_stat_lu_, lu_name); CONFIGFS_ATTR_RO(target_stat_lu_, vend); CONFIGFS_ATTR_RO(target_stat_lu_, prod); CONFIGFS_ATTR_RO(target_stat_lu_, rev); CONFIGFS_ATTR_RO(target_stat_lu_, dev_type); CONFIGFS_ATTR_RO(target_stat_lu_, status); CONFIGFS_ATTR_RO(target_stat_lu_, state_bit); CONFIGFS_ATTR_RO(target_stat_lu_, num_cmds); CONFIGFS_ATTR_RO(target_stat_lu_, read_mbytes); CONFIGFS_ATTR_RO(target_stat_lu_, write_mbytes); CONFIGFS_ATTR_RO(target_stat_lu_, resets); CONFIGFS_ATTR_RO(target_stat_lu_, full_stat); CONFIGFS_ATTR_RO(target_stat_lu_, hs_num_cmds); CONFIGFS_ATTR_RO(target_stat_lu_, creation_time); static struct configfs_attribute *target_stat_scsi_lu_attrs[] = { &target_stat_lu_attr_inst, &target_stat_lu_attr_dev, &target_stat_lu_attr_indx, &target_stat_lu_attr_lun, &target_stat_lu_attr_lu_name, &target_stat_lu_attr_vend, &target_stat_lu_attr_prod, &target_stat_lu_attr_rev, &target_stat_lu_attr_dev_type, &target_stat_lu_attr_status, &target_stat_lu_attr_state_bit, &target_stat_lu_attr_num_cmds, &target_stat_lu_attr_read_mbytes, &target_stat_lu_attr_write_mbytes, &target_stat_lu_attr_resets, &target_stat_lu_attr_full_stat, &target_stat_lu_attr_hs_num_cmds, &target_stat_lu_attr_creation_time, NULL, }; static const struct config_item_type target_stat_scsi_lu_cit = { .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_device *dev) { config_group_init_type_name(&dev->dev_stat_grps.scsi_dev_group, "scsi_dev", &target_stat_scsi_dev_cit); configfs_add_default_group(&dev->dev_stat_grps.scsi_dev_group, &dev->dev_stat_grps.stat_group); config_group_init_type_name(&dev->dev_stat_grps.scsi_tgt_dev_group, "scsi_tgt_dev", &target_stat_scsi_tgt_dev_cit); configfs_add_default_group(&dev->dev_stat_grps.scsi_tgt_dev_group, &dev->dev_stat_grps.stat_group); config_group_init_type_name(&dev->dev_stat_grps.scsi_lu_group, "scsi_lu", &target_stat_scsi_lu_cit); configfs_add_default_group(&dev->dev_stat_grps.scsi_lu_group, &dev->dev_stat_grps.stat_group); } /* * SCSI Port Table */ static struct se_lun *to_stat_port(struct config_item *item) { struct se_port_stat_grps *pgrps = container_of(to_config_group(item), struct se_port_stat_grps, scsi_port_group); return container_of(pgrps, struct se_lun, port_stat_grps); } static ssize_t target_stat_port_inst_show(struct config_item *item, char *page) { struct se_lun *lun = to_stat_port(item); struct se_device *dev; ssize_t ret = -ENODEV; rcu_read_lock(); dev = rcu_dereference(lun->lun_se_dev); if (dev) ret = snprintf(page, PAGE_SIZE, "%u\n", dev->hba_index); rcu_read_unlock(); return ret; } static ssize_t target_stat_port_dev_show(struct config_item *item, char *page) { struct se_lun *lun = to_stat_port(item); struct se_device *dev; ssize_t ret = -ENODEV; rcu_read_lock(); dev = rcu_dereference(lun->lun_se_dev); if (dev) ret = snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index); rcu_read_unlock(); return ret; } static ssize_t target_stat_port_indx_show(struct config_item *item, char *page) { struct se_lun *lun = to_stat_port(item); struct se_device *dev; ssize_t ret = -ENODEV; rcu_read_lock(); dev = rcu_dereference(lun->lun_se_dev); if (dev) ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_rtpi); rcu_read_unlock(); return ret; } static ssize_t target_stat_port_role_show(struct config_item *item, char *page) { struct se_lun *lun = to_stat_port(item); struct se_device *dev; ssize_t ret = -ENODEV; rcu_read_lock(); dev = rcu_dereference(lun->lun_se_dev); if (dev) ret = snprintf(page, PAGE_SIZE, "%s%u\n", "Device", dev->dev_index); rcu_read_unlock(); return ret; } static ssize_t target_stat_port_busy_count_show(struct config_item *item, char *page) { struct se_lun *lun = to_stat_port(item); struct se_device *dev; ssize_t ret = -ENODEV; rcu_read_lock(); dev = rcu_dereference(lun->lun_se_dev); if (dev) { /* FIXME: scsiPortBusyStatuses */ ret = snprintf(page, PAGE_SIZE, "%u\n", 0); } rcu_read_unlock(); return ret; } CONFIGFS_ATTR_RO(target_stat_port_, inst); CONFIGFS_ATTR_RO(target_stat_port_, dev); CONFIGFS_ATTR_RO(target_stat_port_, indx); CONFIGFS_ATTR_RO(target_stat_port_, role); CONFIGFS_ATTR_RO(target_stat_port_, busy_count); static struct configfs_attribute *target_stat_scsi_port_attrs[] = { &target_stat_port_attr_inst, &target_stat_port_attr_dev, &target_stat_port_attr_indx, &target_stat_port_attr_role, &target_stat_port_attr_busy_count, NULL, }; static const struct config_item_type target_stat_scsi_port_cit = { .ct_attrs = target_stat_scsi_port_attrs, .ct_owner = THIS_MODULE, }; /* * SCSI Target Port Table */ static struct se_lun *to_stat_tgt_port(struct config_item *item) { struct se_port_stat_grps *pgrps = container_of(to_config_group(item), struct se_port_stat_grps, scsi_tgt_port_group); return container_of(pgrps, struct se_lun, port_stat_grps); } static ssize_t target_stat_tgt_port_inst_show(struct config_item *item, char *page) { struct se_lun *lun = to_stat_tgt_port(item); struct se_device *dev; ssize_t ret = -ENODEV; rcu_read_lock(); dev = rcu_dereference(lun->lun_se_dev); if (dev) ret = snprintf(page, PAGE_SIZE, "%u\n", dev->hba_index); rcu_read_unlock(); return ret; } static ssize_t target_stat_tgt_port_dev_show(struct config_item *item, char *page) { struct se_lun *lun = to_stat_tgt_port(item); struct se_device *dev; ssize_t ret = -ENODEV; rcu_read_lock(); dev = rcu_dereference(lun->lun_se_dev); if (dev) ret = snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index); rcu_read_unlock(); return ret; } static ssize_t target_stat_tgt_port_indx_show(struct config_item *item, char *page) { struct se_lun *lun = to_stat_tgt_port(item); struct se_device *dev; ssize_t ret = -ENODEV; rcu_read_lock(); dev = rcu_dereference(lun->lun_se_dev); if (dev) ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_rtpi); rcu_read_unlock(); return ret; } static ssize_t target_stat_tgt_port_name_show(struct config_item *item, char *page) { struct se_lun *lun = to_stat_tgt_port(item); struct se_portal_group *tpg = lun->lun_tpg; struct se_device *dev; ssize_t ret = -ENODEV; rcu_read_lock(); dev = rcu_dereference(lun->lun_se_dev); if (dev) ret = snprintf(page, PAGE_SIZE, "%sPort#%u\n", tpg->se_tpg_tfo->fabric_name, lun->lun_rtpi); rcu_read_unlock(); return ret; } static ssize_t target_stat_tgt_port_port_index_show(struct config_item *item, char *page) { struct se_lun *lun = to_stat_tgt_port(item); struct se_portal_group *tpg = lun->lun_tpg; struct se_device *dev; ssize_t ret = -ENODEV; rcu_read_lock(); dev = rcu_dereference(lun->lun_se_dev); if (dev) ret = snprintf(page, PAGE_SIZE, "%s%s%d\n", tpg->se_tpg_tfo->tpg_get_wwn(tpg), "+t+", tpg->se_tpg_tfo->tpg_get_tag(tpg)); rcu_read_unlock(); return ret; } static ssize_t target_stat_tgt_port_in_cmds_show(struct config_item *item, char *page) { struct se_lun *lun = to_stat_tgt_port(item); struct se_device *dev; ssize_t ret = -ENODEV; rcu_read_lock(); dev = rcu_dereference(lun->lun_se_dev); if (dev) ret = snprintf(page, PAGE_SIZE, "%lu\n", atomic_long_read(&lun->lun_stats.cmd_pdus)); rcu_read_unlock(); return ret; } static ssize_t target_stat_tgt_port_write_mbytes_show(struct config_item *item, char *page) { struct se_lun *lun = to_stat_tgt_port(item); struct se_device *dev; ssize_t ret = -ENODEV; rcu_read_lock(); dev = rcu_dereference(lun->lun_se_dev); if (dev) ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(atomic_long_read(&lun->lun_stats.rx_data_octets) >> 20)); rcu_read_unlock(); return ret; } static ssize_t target_stat_tgt_port_read_mbytes_show(struct config_item *item, char *page) { struct se_lun *lun = to_stat_tgt_port(item); struct se_device *dev; ssize_t ret = -ENODEV; rcu_read_lock(); dev = rcu_dereference(lun->lun_se_dev); if (dev) ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(atomic_long_read(&lun->lun_stats.tx_data_octets) >> 20)); rcu_read_unlock(); return ret; } static ssize_t target_stat_tgt_port_hs_in_cmds_show(struct config_item *item, char *page) { struct se_lun *lun = to_stat_tgt_port(item); struct se_device *dev; ssize_t ret = -ENODEV; rcu_read_lock(); dev = rcu_dereference(lun->lun_se_dev); if (dev) { /* FIXME: scsiTgtPortHsInCommands */ ret = snprintf(page, PAGE_SIZE, "%u\n", 0); } rcu_read_unlock(); return ret; } CONFIGFS_ATTR_RO(target_stat_tgt_port_, inst); CONFIGFS_ATTR_RO(target_stat_tgt_port_, dev); CONFIGFS_ATTR_RO(target_stat_tgt_port_, indx); CONFIGFS_ATTR_RO(target_stat_tgt_port_, name); CONFIGFS_ATTR_RO(target_stat_tgt_port_, port_index); CONFIGFS_ATTR_RO(target_stat_tgt_port_, in_cmds); CONFIGFS_ATTR_RO(target_stat_tgt_port_, write_mbytes); CONFIGFS_ATTR_RO(target_stat_tgt_port_, read_mbytes); CONFIGFS_ATTR_RO(target_stat_tgt_port_, hs_in_cmds); static struct configfs_attribute *target_stat_scsi_tgt_port_attrs[] = { &target_stat_tgt_port_attr_inst, &target_stat_tgt_port_attr_dev, &target_stat_tgt_port_attr_indx, &target_stat_tgt_port_attr_name, &target_stat_tgt_port_attr_port_index, &target_stat_tgt_port_attr_in_cmds, &target_stat_tgt_port_attr_write_mbytes, &target_stat_tgt_port_attr_read_mbytes, &target_stat_tgt_port_attr_hs_in_cmds, NULL, }; static const struct config_item_type target_stat_scsi_tgt_port_cit = { .ct_attrs = target_stat_scsi_tgt_port_attrs, .ct_owner = THIS_MODULE, }; /* * SCSI Transport Table */ static struct se_lun *to_transport_stat(struct config_item *item) { struct se_port_stat_grps *pgrps = container_of(to_config_group(item), struct se_port_stat_grps, scsi_transport_group); return container_of(pgrps, struct se_lun, port_stat_grps); } static ssize_t target_stat_transport_inst_show(struct config_item *item, char *page) { struct se_lun *lun = to_transport_stat(item); struct se_device *dev; ssize_t ret = -ENODEV; rcu_read_lock(); dev = rcu_dereference(lun->lun_se_dev); if (dev) ret = snprintf(page, PAGE_SIZE, "%u\n", dev->hba_index); rcu_read_unlock(); return ret; } static ssize_t target_stat_transport_device_show(struct config_item *item, char *page) { struct se_lun *lun = to_transport_stat(item); struct se_device *dev; struct se_portal_group *tpg = lun->lun_tpg; ssize_t ret = -ENODEV; rcu_read_lock(); dev = rcu_dereference(lun->lun_se_dev); if (dev) { /* scsiTransportType */ ret = snprintf(page, PAGE_SIZE, "scsiTransport%s\n", tpg->se_tpg_tfo->fabric_name); } rcu_read_unlock(); return ret; } static ssize_t target_stat_transport_indx_show(struct config_item *item, char *page) { struct se_lun *lun = to_transport_stat(item); struct se_device *dev; struct se_portal_group *tpg = lun->lun_tpg; ssize_t ret = -ENODEV; rcu_read_lock(); dev = rcu_dereference(lun->lun_se_dev); if (dev) ret = snprintf(page, PAGE_SIZE, "%u\n", tpg->se_tpg_tfo->tpg_get_inst_index(tpg)); rcu_read_unlock(); return ret; } static ssize_t target_stat_transport_dev_name_show(struct config_item *item, char *page) { struct se_lun *lun = to_transport_stat(item); struct se_device *dev; struct se_portal_group *tpg = lun->lun_tpg; struct t10_wwn *wwn; ssize_t ret = -ENODEV; rcu_read_lock(); dev = rcu_dereference(lun->lun_se_dev); if (dev) { wwn = &dev->t10_wwn; /* scsiTransportDevName */ ret = snprintf(page, PAGE_SIZE, "%s+%s\n", tpg->se_tpg_tfo->tpg_get_wwn(tpg), (strlen(wwn->unit_serial)) ? wwn->unit_serial : wwn->vendor); } rcu_read_unlock(); return ret; } static ssize_t target_stat_transport_proto_id_show(struct config_item *item, char *page) { struct se_lun *lun = to_transport_stat(item); struct se_device *dev; struct se_portal_group *tpg = lun->lun_tpg; ssize_t ret = -ENODEV; rcu_read_lock(); dev = rcu_dereference(lun->lun_se_dev); if (dev) ret = snprintf(page, PAGE_SIZE, "%u\n", tpg->proto_id); rcu_read_unlock(); return ret; } CONFIGFS_ATTR_RO(target_stat_transport_, inst); CONFIGFS_ATTR_RO(target_stat_transport_, device); CONFIGFS_ATTR_RO(target_stat_transport_, indx); CONFIGFS_ATTR_RO(target_stat_transport_, dev_name); CONFIGFS_ATTR_RO(target_stat_transport_, proto_id); static struct configfs_attribute *target_stat_scsi_transport_attrs[] = { &target_stat_transport_attr_inst, &target_stat_transport_attr_device, &target_stat_transport_attr_indx, &target_stat_transport_attr_dev_name, &target_stat_transport_attr_proto_id, NULL, }; static const struct config_item_type target_stat_scsi_transport_cit = { .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) { config_group_init_type_name(&lun->port_stat_grps.scsi_port_group, "scsi_port", &target_stat_scsi_port_cit); configfs_add_default_group(&lun->port_stat_grps.scsi_port_group, &lun->port_stat_grps.stat_group); config_group_init_type_name(&lun->port_stat_grps.scsi_tgt_port_group, "scsi_tgt_port", &target_stat_scsi_tgt_port_cit); configfs_add_default_group(&lun->port_stat_grps.scsi_tgt_port_group, &lun->port_stat_grps.stat_group); config_group_init_type_name(&lun->port_stat_grps.scsi_transport_group, "scsi_transport", &target_stat_scsi_transport_cit); configfs_add_default_group(&lun->port_stat_grps.scsi_transport_group, &lun->port_stat_grps.stat_group); } /* * SCSI Authorized Initiator Table */ static struct se_lun_acl *auth_to_lacl(struct config_item *item) { struct se_ml_stat_grps *lgrps = container_of(to_config_group(item), struct se_ml_stat_grps, scsi_auth_intr_group); return container_of(lgrps, struct se_lun_acl, ml_stat_grps); } static ssize_t target_stat_auth_inst_show(struct config_item *item, char *page) { struct se_lun_acl *lacl = auth_to_lacl(item); struct se_node_acl *nacl = lacl->se_lun_nacl; struct se_dev_entry *deve; struct se_portal_group *tpg; ssize_t ret; rcu_read_lock(); deve = target_nacl_find_deve(nacl, lacl->mapped_lun); if (!deve) { rcu_read_unlock(); return -ENODEV; } tpg = nacl->se_tpg; /* scsiInstIndex */ ret = snprintf(page, PAGE_SIZE, "%u\n", tpg->se_tpg_tfo->tpg_get_inst_index(tpg)); rcu_read_unlock(); return ret; } static ssize_t target_stat_auth_dev_show(struct config_item *item, char *page) { struct se_lun_acl *lacl = auth_to_lacl(item); struct se_node_acl *nacl = lacl->se_lun_nacl; struct se_dev_entry *deve; struct se_lun *lun; ssize_t ret; rcu_read_lock(); deve = target_nacl_find_deve(nacl, lacl->mapped_lun); if (!deve) { rcu_read_unlock(); return -ENODEV; } lun = rcu_dereference(deve->se_lun); /* scsiDeviceIndex */ ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_index); rcu_read_unlock(); return ret; } static ssize_t target_stat_auth_port_show(struct config_item *item, char *page) { struct se_lun_acl *lacl = auth_to_lacl(item); struct se_node_acl *nacl = lacl->se_lun_nacl; struct se_dev_entry *deve; struct se_portal_group *tpg; ssize_t ret; rcu_read_lock(); deve = target_nacl_find_deve(nacl, lacl->mapped_lun); if (!deve) { rcu_read_unlock(); return -ENODEV; } tpg = nacl->se_tpg; /* scsiAuthIntrTgtPortIndex */ ret = snprintf(page, PAGE_SIZE, "%u\n", tpg->se_tpg_tfo->tpg_get_tag(tpg)); rcu_read_unlock(); return ret; } static ssize_t target_stat_auth_indx_show(struct config_item *item, char *page) { struct se_lun_acl *lacl = auth_to_lacl(item); struct se_node_acl *nacl = lacl->se_lun_nacl; struct se_dev_entry *deve; ssize_t ret; rcu_read_lock(); deve = target_nacl_find_deve(nacl, lacl->mapped_lun); if (!deve) { rcu_read_unlock(); return -ENODEV; } /* scsiAuthIntrIndex */ ret = snprintf(page, PAGE_SIZE, "%u\n", nacl->acl_index); rcu_read_unlock(); return ret; } static ssize_t target_stat_auth_dev_or_port_show(struct config_item *item, char *page) { struct se_lun_acl *lacl = auth_to_lacl(item); struct se_node_acl *nacl = lacl->se_lun_nacl; struct se_dev_entry *deve; ssize_t ret; rcu_read_lock(); deve = target_nacl_find_deve(nacl, lacl->mapped_lun); if (!deve) { rcu_read_unlock(); return -ENODEV; } /* scsiAuthIntrDevOrPort */ ret = snprintf(page, PAGE_SIZE, "%u\n", 1); rcu_read_unlock(); return ret; } static ssize_t target_stat_auth_intr_name_show(struct config_item *item, char *page) { struct se_lun_acl *lacl = auth_to_lacl(item); struct se_node_acl *nacl = lacl->se_lun_nacl; struct se_dev_entry *deve; ssize_t ret; rcu_read_lock(); deve = target_nacl_find_deve(nacl, lacl->mapped_lun); if (!deve) { rcu_read_unlock(); return -ENODEV; } /* scsiAuthIntrName */ ret = snprintf(page, PAGE_SIZE, "%s\n", nacl->initiatorname); rcu_read_unlock(); return ret; } static ssize_t target_stat_auth_map_indx_show(struct config_item *item, char *page) { struct se_lun_acl *lacl = auth_to_lacl(item); struct se_node_acl *nacl = lacl->se_lun_nacl; struct se_dev_entry *deve; ssize_t ret; rcu_read_lock(); deve = target_nacl_find_deve(nacl, lacl->mapped_lun); if (!deve) { rcu_read_unlock(); return -ENODEV; } /* FIXME: scsiAuthIntrLunMapIndex */ ret = snprintf(page, PAGE_SIZE, "%u\n", 0); rcu_read_unlock(); return ret; } static ssize_t target_stat_auth_att_count_show(struct config_item *item, char *page) { struct se_lun_acl *lacl = auth_to_lacl(item); struct se_node_acl *nacl = lacl->se_lun_nacl; struct se_dev_entry *deve; ssize_t ret; rcu_read_lock(); deve = target_nacl_find_deve(nacl, lacl->mapped_lun); if (!deve) { rcu_read_unlock(); return -ENODEV; } /* scsiAuthIntrAttachedTimes */ ret = snprintf(page, PAGE_SIZE, "%u\n", deve->attach_count); rcu_read_unlock(); return ret; } static ssize_t target_stat_auth_num_cmds_show(struct config_item *item, char *page) { struct se_lun_acl *lacl = auth_to_lacl(item); struct se_node_acl *nacl = lacl->se_lun_nacl; struct se_dev_entry *deve; ssize_t ret; rcu_read_lock(); deve = target_nacl_find_deve(nacl, lacl->mapped_lun); if (!deve) { rcu_read_unlock(); return -ENODEV; } /* scsiAuthIntrOutCommands */ ret = snprintf(page, PAGE_SIZE, "%lu\n", atomic_long_read(&deve->total_cmds)); rcu_read_unlock(); return ret; } static ssize_t target_stat_auth_read_mbytes_show(struct config_item *item, char *page) { struct se_lun_acl *lacl = auth_to_lacl(item); struct se_node_acl *nacl = lacl->se_lun_nacl; struct se_dev_entry *deve; ssize_t ret; rcu_read_lock(); deve = target_nacl_find_deve(nacl, lacl->mapped_lun); if (!deve) { rcu_read_unlock(); return -ENODEV; } /* scsiAuthIntrReadMegaBytes */ ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(atomic_long_read(&deve->read_bytes) >> 20)); rcu_read_unlock(); return ret; } static ssize_t target_stat_auth_write_mbytes_show(struct config_item *item, char *page) { struct se_lun_acl *lacl = auth_to_lacl(item); struct se_node_acl *nacl = lacl->se_lun_nacl; struct se_dev_entry *deve; ssize_t ret; rcu_read_lock(); deve = target_nacl_find_deve(nacl, lacl->mapped_lun); if (!deve) { rcu_read_unlock(); return -ENODEV; } /* scsiAuthIntrWrittenMegaBytes */ ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(atomic_long_read(&deve->write_bytes) >> 20)); rcu_read_unlock(); return ret; } static ssize_t target_stat_auth_hs_num_cmds_show(struct config_item *item, char *page) { struct se_lun_acl *lacl = auth_to_lacl(item); struct se_node_acl *nacl = lacl->se_lun_nacl; struct se_dev_entry *deve; ssize_t ret; rcu_read_lock(); deve = target_nacl_find_deve(nacl, lacl->mapped_lun); if (!deve) { rcu_read_unlock(); return -ENODEV; } /* FIXME: scsiAuthIntrHSOutCommands */ ret = snprintf(page, PAGE_SIZE, "%u\n", 0); rcu_read_unlock(); return ret; } static ssize_t target_stat_auth_creation_time_show(struct config_item *item, char *page) { struct se_lun_acl *lacl = auth_to_lacl(item); struct se_node_acl *nacl = lacl->se_lun_nacl; struct se_dev_entry *deve; ssize_t ret; rcu_read_lock(); deve = target_nacl_find_deve(nacl, lacl->mapped_lun); if (!deve) { rcu_read_unlock(); return -ENODEV; } /* scsiAuthIntrLastCreation */ ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(((u32)deve->creation_time - INITIAL_JIFFIES) * 100 / HZ)); rcu_read_unlock(); return ret; } static ssize_t target_stat_auth_row_status_show(struct config_item *item, char *page) { struct se_lun_acl *lacl = auth_to_lacl(item); struct se_node_acl *nacl = lacl->se_lun_nacl; struct se_dev_entry *deve; ssize_t ret; rcu_read_lock(); deve = target_nacl_find_deve(nacl, lacl->mapped_lun); if (!deve) { rcu_read_unlock(); return -ENODEV; } /* FIXME: scsiAuthIntrRowStatus */ ret = snprintf(page, PAGE_SIZE, "Ready\n"); rcu_read_unlock(); return ret; } CONFIGFS_ATTR_RO(target_stat_auth_, inst); CONFIGFS_ATTR_RO(target_stat_auth_, dev); CONFIGFS_ATTR_RO(target_stat_auth_, port); CONFIGFS_ATTR_RO(target_stat_auth_, indx); CONFIGFS_ATTR_RO(target_stat_auth_, dev_or_port); CONFIGFS_ATTR_RO(target_stat_auth_, intr_name); CONFIGFS_ATTR_RO(target_stat_auth_, map_indx); CONFIGFS_ATTR_RO(target_stat_auth_, att_count); CONFIGFS_ATTR_RO(target_stat_auth_, num_cmds); CONFIGFS_ATTR_RO(target_stat_auth_, read_mbytes); CONFIGFS_ATTR_RO(target_stat_auth_, write_mbytes); CONFIGFS_ATTR_RO(target_stat_auth_, hs_num_cmds); CONFIGFS_ATTR_RO(target_stat_auth_, creation_time); CONFIGFS_ATTR_RO(target_stat_auth_, row_status); static struct configfs_attribute *target_stat_scsi_auth_intr_attrs[] = { &target_stat_auth_attr_inst, &target_stat_auth_attr_dev, &target_stat_auth_attr_port, &target_stat_auth_attr_indx, &target_stat_auth_attr_dev_or_port, &target_stat_auth_attr_intr_name, &target_stat_auth_attr_map_indx, &target_stat_auth_attr_att_count, &target_stat_auth_attr_num_cmds, &target_stat_auth_attr_read_mbytes, &target_stat_auth_attr_write_mbytes, &target_stat_auth_attr_hs_num_cmds, &target_stat_auth_attr_creation_time, &target_stat_auth_attr_row_status, NULL, }; static const struct config_item_type target_stat_scsi_auth_intr_cit = { .ct_attrs = target_stat_scsi_auth_intr_attrs, .ct_owner = THIS_MODULE, }; /* * SCSI Attached Initiator Port Table */ static struct se_lun_acl *iport_to_lacl(struct config_item *item) { struct se_ml_stat_grps *lgrps = container_of(to_config_group(item), struct se_ml_stat_grps, scsi_att_intr_port_group); return container_of(lgrps, struct se_lun_acl, ml_stat_grps); } static ssize_t target_stat_iport_inst_show(struct config_item *item, char *page) { struct se_lun_acl *lacl = iport_to_lacl(item); struct se_node_acl *nacl = lacl->se_lun_nacl; struct se_dev_entry *deve; struct se_portal_group *tpg; ssize_t ret; rcu_read_lock(); deve = target_nacl_find_deve(nacl, lacl->mapped_lun); if (!deve) { rcu_read_unlock(); return -ENODEV; } tpg = nacl->se_tpg; /* scsiInstIndex */ ret = snprintf(page, PAGE_SIZE, "%u\n", tpg->se_tpg_tfo->tpg_get_inst_index(tpg)); rcu_read_unlock(); return ret; } static ssize_t target_stat_iport_dev_show(struct config_item *item, char *page) { struct se_lun_acl *lacl = iport_to_lacl(item); struct se_node_acl *nacl = lacl->se_lun_nacl; struct se_dev_entry *deve; struct se_lun *lun; ssize_t ret; rcu_read_lock(); deve = target_nacl_find_deve(nacl, lacl->mapped_lun); if (!deve) { rcu_read_unlock(); return -ENODEV; } lun = rcu_dereference(deve->se_lun); /* scsiDeviceIndex */ ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_index); rcu_read_unlock(); return ret; } static ssize_t target_stat_iport_port_show(struct config_item *item, char *page) { struct se_lun_acl *lacl = iport_to_lacl(item); struct se_node_acl *nacl = lacl->se_lun_nacl; struct se_dev_entry *deve; struct se_portal_group *tpg; ssize_t ret; rcu_read_lock(); deve = target_nacl_find_deve(nacl, lacl->mapped_lun); if (!deve) { rcu_read_unlock(); return -ENODEV; } tpg = nacl->se_tpg; /* scsiPortIndex */ ret = snprintf(page, PAGE_SIZE, "%u\n", tpg->se_tpg_tfo->tpg_get_tag(tpg)); rcu_read_unlock(); return ret; } static ssize_t target_stat_iport_indx_show(struct config_item *item, char *page) { struct se_lun_acl *lacl = iport_to_lacl(item); 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->se_tpg_tfo->sess_get_index(se_sess)); spin_unlock_irq(&nacl->nacl_sess_lock); return ret; } static ssize_t target_stat_iport_port_auth_indx_show(struct config_item *item, char *page) { struct se_lun_acl *lacl = iport_to_lacl(item); struct se_node_acl *nacl = lacl->se_lun_nacl; struct se_dev_entry *deve; ssize_t ret; rcu_read_lock(); deve = target_nacl_find_deve(nacl, lacl->mapped_lun); if (!deve) { rcu_read_unlock(); return -ENODEV; } /* scsiAttIntrPortAuthIntrIdx */ ret = snprintf(page, PAGE_SIZE, "%u\n", nacl->acl_index); rcu_read_unlock(); return ret; } static ssize_t target_stat_iport_port_ident_show(struct config_item *item, char *page) { struct se_lun_acl *lacl = iport_to_lacl(item); 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->se_tpg_tfo->sess_get_initiator_sid != NULL) tpg->se_tpg_tfo->sess_get_initiator_sid(se_sess, buf, 64); ret = snprintf(page, PAGE_SIZE, "%s+i+%s\n", nacl->initiatorname, buf); spin_unlock_irq(&nacl->nacl_sess_lock); return ret; } CONFIGFS_ATTR_RO(target_stat_iport_, inst); CONFIGFS_ATTR_RO(target_stat_iport_, dev); CONFIGFS_ATTR_RO(target_stat_iport_, port); CONFIGFS_ATTR_RO(target_stat_iport_, indx); CONFIGFS_ATTR_RO(target_stat_iport_, port_auth_indx); CONFIGFS_ATTR_RO(target_stat_iport_, port_ident); static struct configfs_attribute *target_stat_scsi_ath_intr_port_attrs[] = { &target_stat_iport_attr_inst, &target_stat_iport_attr_dev, &target_stat_iport_attr_port, &target_stat_iport_attr_indx, &target_stat_iport_attr_port_auth_indx, &target_stat_iport_attr_port_ident, NULL, }; static const struct config_item_type target_stat_scsi_att_intr_port_cit = { .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) { config_group_init_type_name(&lacl->ml_stat_grps.scsi_auth_intr_group, "scsi_auth_intr", &target_stat_scsi_auth_intr_cit); configfs_add_default_group(&lacl->ml_stat_grps.scsi_auth_intr_group, &lacl->ml_stat_grps.stat_group); config_group_init_type_name(&lacl->ml_stat_grps.scsi_att_intr_port_group, "scsi_att_intr_port", &target_stat_scsi_att_intr_port_cit); configfs_add_default_group(&lacl->ml_stat_grps.scsi_att_intr_port_group, &lacl->ml_stat_grps.stat_group); }