diff options
Diffstat (limited to 'drivers/target/target_core_stat.c')
| -rw-r--r-- | drivers/target/target_core_stat.c | 1725 |
1 files changed, 702 insertions, 1023 deletions
diff --git a/drivers/target/target_core_stat.c b/drivers/target/target_core_stat.c index d154ce797180..083205052be2 100644 --- a/drivers/target/target_core_stat.c +++ b/drivers/target/target_core_stat.c @@ -1,27 +1,14 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /******************************************************************************* * Filename: target_core_stat.c * * Modern ConfigFS group context specific statistics based on original * target_core_mib.c code * - * (c) Copyright 2006-2012 RisingTide Systems LLC. + * (c) Copyright 2006-2013 Datera, Inc. * * 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> @@ -32,17 +19,11 @@ #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_backend.h> #include <target/target_core_fabric.h> -#include <target/target_core_configfs.h> -#include <target/configfs_macros.h> #include "target_core_internal.h" @@ -50,9 +31,6 @@ #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 @@ -60,75 +38,49 @@ * 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 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_scsi_dev_show_attr_inst( - struct se_dev_stat_grps *sgrps, char *page) +static ssize_t target_stat_inst_show(struct config_item *item, char *page) { - struct se_device *dev = - container_of(sgrps, struct se_device, dev_stat_grps); - struct se_hba *hba = dev->se_hba; + struct se_hba *hba = to_stat_dev(item)->se_hba; 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) +static ssize_t target_stat_indx_show(struct config_item *item, char *page) { - struct se_device *dev = - container_of(sgrps, struct se_device, dev_stat_grps); - - return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index); + return snprintf(page, PAGE_SIZE, "%u\n", to_stat_dev(item)->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) +static ssize_t target_stat_role_show(struct config_item *item, char *page) { 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) +static ssize_t target_stat_ports_show(struct config_item *item, char *page) { - struct se_device *dev = - container_of(sgrps, struct se_device, dev_stat_grps); - - return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_port_count); + return snprintf(page, PAGE_SIZE, "%u\n", to_stat_dev(item)->export_count); } -DEV_STAT_SCSI_DEV_ATTR_RO(ports); -CONFIGFS_EATTR_OPS(target_stat_scsi_dev, se_dev_stat_grps, scsi_dev_group); +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_scsi_dev_inst.attr, - &target_stat_scsi_dev_indx.attr, - &target_stat_scsi_dev_role.attr, - &target_stat_scsi_dev_ports.attr, + &target_stat_attr_inst, + &target_stat_attr_indx, + &target_stat_attr_role, + &target_stat_attr_ports, 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, +static const struct config_item_type target_stat_scsi_dev_cit = { .ct_attrs = target_stat_scsi_dev_attrs, .ct_owner = THIS_MODULE, }; @@ -136,108 +88,96 @@ static struct config_item_type target_stat_scsi_dev_cit = { /* * 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); +} -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) +static ssize_t target_stat_tgt_inst_show(struct config_item *item, char *page) { - struct se_device *dev = - container_of(sgrps, struct se_device, dev_stat_grps); - struct se_hba *hba = dev->se_hba; + struct se_hba *hba = to_stat_tgt_dev(item)->se_hba; 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) +static ssize_t target_stat_tgt_indx_show(struct config_item *item, char *page) { - struct se_device *dev = - container_of(sgrps, struct se_device, dev_stat_grps); - - return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index); + return snprintf(page, PAGE_SIZE, "%u\n", to_stat_tgt_dev(item)->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) +static ssize_t target_stat_tgt_num_lus_show(struct config_item *item, + char *page) { 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) +static ssize_t target_stat_tgt_status_show(struct config_item *item, + char *page) { - struct se_device *dev = - container_of(sgrps, struct se_device, dev_stat_grps); - - if (dev->export_count) - return snprintf(page, PAGE_SIZE, "activated"); + if (to_stat_tgt_dev(item)->export_count) + return snprintf(page, PAGE_SIZE, "activated\n"); else - return snprintf(page, PAGE_SIZE, "deactivated"); + return snprintf(page, PAGE_SIZE, "deactivated\n"); } -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) +static ssize_t target_stat_tgt_non_access_lus_show(struct config_item *item, + char *page) { - struct se_device *dev = - container_of(sgrps, struct se_device, dev_stat_grps); int non_accessible_lus; - if (dev->export_count) + 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); } -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) +static ssize_t target_stat_tgt_resets_show(struct config_item *item, + char *page) { - struct se_device *dev = - container_of(sgrps, struct se_device, dev_stat_grps); + return snprintf(page, PAGE_SIZE, "%lu\n", + atomic_long_read(&to_stat_tgt_dev(item)->num_resets)); +} - return snprintf(page, PAGE_SIZE, "%u\n", dev->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)); } -DEV_STAT_SCSI_TGT_DEV_ATTR_RO(resets); +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_EATTR_OPS(target_stat_scsi_tgt_dev, se_dev_stat_grps, scsi_tgt_dev_group); +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_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, + &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 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, +static const struct config_item_type target_stat_scsi_tgt_dev_cit = { .ct_attrs = target_stat_scsi_tgt_dev_attrs, .ct_owner = THIS_MODULE, }; @@ -246,254 +186,205 @@ static struct config_item_type target_stat_scsi_tgt_dev_cit = { * 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 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_scsi_lu_show_attr_inst( - struct se_dev_stat_grps *sgrps, char *page) +static ssize_t target_stat_lu_inst_show(struct config_item *item, char *page) { - struct se_device *dev = - container_of(sgrps, struct se_device, dev_stat_grps); - struct se_hba *hba = dev->se_hba; + struct se_hba *hba = to_stat_lu_dev(item)->se_hba; 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) +static ssize_t target_stat_lu_dev_show(struct config_item *item, char *page) { - struct se_device *dev = - container_of(sgrps, struct se_device, dev_stat_grps); - - return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index); + return snprintf(page, PAGE_SIZE, "%u\n", + to_stat_lu_dev(item)->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) +static ssize_t target_stat_lu_indx_show(struct config_item *item, char *page) { 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) +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); } -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) +static ssize_t target_stat_lu_lu_name_show(struct config_item *item, char *page) { - struct se_device *dev = - container_of(sgrps, struct se_device, dev_stat_grps); + 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"); } -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) +static ssize_t target_stat_lu_vend_show(struct config_item *item, char *page) { - struct se_device *dev = - container_of(sgrps, struct se_device, dev_stat_grps); - int i; - char str[sizeof(dev->t10_wwn.vendor)+1]; + struct se_device *dev = to_stat_lu_dev(item); - /* 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); + return snprintf(page, PAGE_SIZE, "%-" __stringify(INQUIRY_VENDOR_LEN) + "s\n", dev->t10_wwn.vendor); } -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) +static ssize_t target_stat_lu_prod_show(struct config_item *item, char *page) { - struct se_device *dev = - container_of(sgrps, struct se_device, dev_stat_grps); - int i; - char str[sizeof(dev->t10_wwn.model)+1]; + struct se_device *dev = to_stat_lu_dev(item); - /* scsiLuProductId */ - for (i = 0; i < sizeof(dev->t10_wwn.vendor); 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); + return snprintf(page, PAGE_SIZE, "%-" __stringify(INQUIRY_MODEL_LEN) + "s\n", dev->t10_wwn.model); } -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) +static ssize_t target_stat_lu_rev_show(struct config_item *item, char *page) { - struct se_device *dev = - container_of(sgrps, struct se_device, dev_stat_grps); - int i; - char str[sizeof(dev->t10_wwn.revision)+1]; + struct se_device *dev = to_stat_lu_dev(item); - /* 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); + return snprintf(page, PAGE_SIZE, "%-" __stringify(INQUIRY_REVISION_LEN) + "s\n", dev->t10_wwn.revision); } -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) +static ssize_t target_stat_lu_dev_type_show(struct config_item *item, char *page) { - struct se_device *dev = - container_of(sgrps, struct se_device, dev_stat_grps); + struct se_device *dev = to_stat_lu_dev(item); /* scsiLuPeripheralType */ return snprintf(page, PAGE_SIZE, "%u\n", dev->transport->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) +static ssize_t target_stat_lu_status_show(struct config_item *item, char *page) { - struct se_device *dev = - container_of(sgrps, struct se_device, dev_stat_grps); + struct se_device *dev = to_stat_lu_dev(item); /* scsiLuStatus */ return snprintf(page, PAGE_SIZE, "%s\n", (dev->export_count) ? "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) +static ssize_t target_stat_lu_state_bit_show(struct config_item *item, + char *page) { /* 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_device *dev = - container_of(sgrps, struct se_device, dev_stat_grps); - /* 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_device *dev = - container_of(sgrps, struct se_device, dev_stat_grps); - - /* 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_device *dev = - container_of(sgrps, struct se_device, dev_stat_grps); - - /* 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_device *dev = - container_of(sgrps, struct se_device, dev_stat_grps); +#define per_cpu_stat_snprintf(stats_struct, prefix, field, shift) \ +static ssize_t \ +per_cpu_stat_##prefix##_snprintf(struct stats_struct __percpu *per_cpu_stats, \ + char *page) \ +{ \ + struct stats_struct *stats; \ + unsigned int cpu; \ + u64 sum = 0; \ + \ + for_each_possible_cpu(cpu) { \ + stats = per_cpu_ptr(per_cpu_stats, cpu); \ + sum += stats->field; \ + } \ + \ + return snprintf(page, PAGE_SIZE, "%llu\n", sum >> shift); \ +} + +#define lu_show_per_cpu_stat(prefix, field, shift) \ +per_cpu_stat_snprintf(se_dev_io_stats, prefix, field, shift); \ +static ssize_t \ +target_stat_##prefix##_show(struct config_item *item, char *page) \ +{ \ + struct se_device *dev = to_stat_lu_dev(item); \ + \ + return per_cpu_stat_##prefix##_snprintf(dev->stats, page); \ +} \ + +/* scsiLuNumCommands */ +lu_show_per_cpu_stat(lu_num_cmds, total_cmds, 0); +/* scsiLuReadMegaBytes */ +lu_show_per_cpu_stat(lu_read_mbytes, read_bytes, 20); +/* scsiLuWrittenMegaBytes */ +lu_show_per_cpu_stat(lu_write_mbytes, 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, "%u\n", dev->num_resets); + return snprintf(page, PAGE_SIZE, "%lu\n", + atomic_long_read(&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) +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); } -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) +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); } -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) +static ssize_t target_stat_lu_creation_time_show(struct config_item *item, + char *page) { - struct se_device *dev = - container_of(sgrps, struct se_device, dev_stat_grps); + 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)); } -DEV_STAT_SCSI_LU_ATTR_RO(creation_time); -CONFIGFS_EATTR_OPS(target_stat_scsi_lu, se_dev_stat_grps, scsi_lu_group); +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_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, + &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 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, +static const struct config_item_type target_stat_scsi_lu_cit = { .ct_attrs = target_stat_scsi_lu_attrs, .ct_owner = THIS_MODULE, }; @@ -504,161 +395,122 @@ static struct config_item_type target_stat_scsi_lu_cit = { */ void target_stat_setup_dev_default_groups(struct se_device *dev) { - struct config_group *dev_stat_grp = &dev->dev_stat_grps.stat_group; - 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); - - dev_stat_grp->default_groups[0] = &dev->dev_stat_grps.scsi_dev_group; - dev_stat_grp->default_groups[1] = &dev->dev_stat_grps.scsi_tgt_dev_group; - dev_stat_grp->default_groups[2] = &dev->dev_stat_grps.scsi_lu_group; - dev_stat_grp->default_groups[3] = NULL; + configfs_add_default_group(&dev->dev_stat_grps.scsi_lu_group, + &dev->dev_stat_grps.stat_group); } /* * 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; +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); +} - 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); +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; } -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) +static ssize_t target_stat_port_dev_show(struct config_item *item, 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; + struct se_lun *lun = to_stat_port(item); + struct se_device *dev; + ssize_t ret = -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, "%u\n", dev->dev_index); - spin_unlock(&lun->lun_sep_lock); + 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; } -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) +static ssize_t target_stat_port_indx_show(struct config_item *item, char *page) { - struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps); - struct se_port *sep; - ssize_t ret; + struct se_lun *lun = to_stat_port(item); + struct se_device *dev; + ssize_t ret = -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, "%u\n", sep->sep_index); - spin_unlock(&lun->lun_sep_lock); + rcu_read_lock(); + dev = rcu_dereference(lun->lun_se_dev); + if (dev) + ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_tpg->tpg_rtpi); + rcu_read_unlock(); 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) +static ssize_t target_stat_port_role_show(struct config_item *item, 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; + struct se_lun *lun = to_stat_port(item); + struct se_device *dev; + ssize_t ret = -ENODEV; - 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); + 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; } -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) +static ssize_t target_stat_port_busy_count_show(struct config_item *item, + char *page) { - struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps); - struct se_port *sep; - ssize_t ret; + struct se_lun *lun = to_stat_port(item); + struct se_device *dev; + ssize_t ret = -ENODEV; - spin_lock(&lun->lun_sep_lock); - sep = lun->lun_sep; - if (!sep) { - spin_unlock(&lun->lun_sep_lock); - return -ENODEV; + rcu_read_lock(); + dev = rcu_dereference(lun->lun_se_dev); + if (dev) { + /* FIXME: scsiPortBusyStatuses */ + ret = snprintf(page, PAGE_SIZE, "%u\n", 0); } - /* FIXME: scsiPortBusyStatuses */ - ret = snprintf(page, PAGE_SIZE, "%u\n", 0); - spin_unlock(&lun->lun_sep_lock); + rcu_read_unlock(); return ret; } -DEV_STAT_SCSI_PORT_ATTR_RO(busy_count); -CONFIGFS_EATTR_OPS(target_stat_scsi_port, se_port_stat_grps, scsi_port_group); +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_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, + &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 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, +static const struct config_item_type target_stat_scsi_port_cit = { .ct_attrs = target_stat_scsi_port_attrs, .ct_owner = THIS_MODULE, }; @@ -666,370 +518,280 @@ static struct config_item_type target_stat_scsi_port_cit = { /* * 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) +static struct se_lun *to_stat_tgt_port(struct config_item *item) { - 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; + 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); } -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) +static ssize_t target_stat_tgt_port_inst_show(struct config_item *item, + char *page) { - struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps); - struct se_port *sep; - ssize_t ret; + struct se_lun *lun = to_stat_tgt_port(item); + struct se_device *dev; + ssize_t ret = -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, "%u\n", sep->sep_index); - spin_unlock(&lun->lun_sep_lock); + 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; } -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) +static ssize_t target_stat_tgt_port_dev_show(struct config_item *item, + 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; + struct se_lun *lun = to_stat_tgt_port(item); + struct se_device *dev; + ssize_t ret = -ENODEV; - 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->se_tpg_tfo->get_fabric_name(), sep->sep_index); - spin_unlock(&lun->lun_sep_lock); + 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; } -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) +static ssize_t target_stat_tgt_port_indx_show(struct config_item *item, + 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; + struct se_lun *lun = to_stat_tgt_port(item); + struct se_device *dev; + ssize_t ret = -ENODEV; - 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)); - spin_unlock(&lun->lun_sep_lock); + rcu_read_lock(); + dev = rcu_dereference(lun->lun_se_dev); + if (dev) + ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_tpg->tpg_rtpi); + rcu_read_unlock(); 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) +static ssize_t target_stat_tgt_port_name_show(struct config_item *item, + 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; - } + 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; - ret = snprintf(page, PAGE_SIZE, "%llu\n", sep->sep_stats.cmd_pdus); - spin_unlock(&lun->lun_sep_lock); + 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_tpg->tpg_rtpi); + rcu_read_unlock(); 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) +static ssize_t target_stat_tgt_port_port_index_show(struct config_item *item, + char *page) { - struct se_lun *lun = container_of(pgrps, struct se_lun, port_stat_grps); - struct se_port *sep; - ssize_t ret; + 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; - 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", - (u32)(sep->sep_stats.rx_data_octets >> 20)); - spin_unlock(&lun->lun_sep_lock); + 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; } -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; - ssize_t ret; - - spin_lock(&lun->lun_sep_lock); - sep = lun->lun_sep; - if (!sep) { - spin_unlock(&lun->lun_sep_lock); - return -ENODEV; +#define tgt_port_show_per_cpu_stat(prefix, field, shift) \ +per_cpu_stat_snprintf(scsi_port_stats, prefix, field, shift); \ +static ssize_t \ +target_stat_##prefix##_show(struct config_item *item, char *page) \ +{ \ + struct se_lun *lun = to_stat_tgt_port(item); \ + struct se_device *dev; \ + int ret; \ + \ + rcu_read_lock(); \ + dev = rcu_dereference(lun->lun_se_dev); \ + if (!dev) { \ + rcu_read_unlock(); \ + return -ENODEV; \ + } \ + \ + ret = per_cpu_stat_##prefix##_snprintf(lun->lun_stats, page); \ + rcu_read_unlock(); \ + return ret; \ +} + +tgt_port_show_per_cpu_stat(tgt_port_in_cmds, cmd_pdus, 0); +tgt_port_show_per_cpu_stat(tgt_port_write_mbytes, rx_data_octets, 20); +tgt_port_show_per_cpu_stat(tgt_port_read_mbytes, tx_data_octets, 20); + +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); } - - ret = snprintf(page, PAGE_SIZE, "%u\n", - (u32)(sep->sep_stats.tx_data_octets >> 20)); - spin_unlock(&lun->lun_sep_lock); + rcu_read_unlock(); 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; - ssize_t ret; - - spin_lock(&lun->lun_sep_lock); - sep = lun->lun_sep; - if (!sep) { - spin_unlock(&lun->lun_sep_lock); - return -ENODEV; - } - - /* 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); +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_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, + &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 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, +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 -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; + */ +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); +} - spin_lock(&lun->lun_sep_lock); - sep = lun->lun_sep; - if (!sep) { - spin_unlock(&lun->lun_sep_lock); - return -ENODEV; - } +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; - hba = dev->se_hba; - ret = snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index); - spin_unlock(&lun->lun_sep_lock); + 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; } -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) +static ssize_t target_stat_transport_device_show(struct config_item *item, + 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; + struct se_lun *lun = to_transport_stat(item); + struct se_device *dev; + struct se_portal_group *tpg = lun->lun_tpg; + ssize_t ret = -ENODEV; - spin_lock(&lun->lun_sep_lock); - sep = lun->lun_sep; - if (!sep) { - spin_unlock(&lun->lun_sep_lock); - return -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); } - tpg = sep->sep_tpg; - /* scsiTransportType */ - ret = snprintf(page, PAGE_SIZE, "scsiTransport%s\n", - tpg->se_tpg_tfo->get_fabric_name()); - spin_unlock(&lun->lun_sep_lock); + rcu_read_unlock(); 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) +static ssize_t target_stat_transport_indx_show(struct config_item *item, + 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; + struct se_lun *lun = to_transport_stat(item); + struct se_device *dev; + struct se_portal_group *tpg = lun->lun_tpg; + ssize_t ret = -ENODEV; - 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->se_tpg_tfo->tpg_get_inst_index(tpg)); - spin_unlock(&lun->lun_sep_lock); + 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; } -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) +static ssize_t target_stat_transport_dev_name_show(struct config_item *item, + 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 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; - - spin_lock(&lun->lun_sep_lock); - sep = lun->lun_sep; - if (!sep) { - spin_unlock(&lun->lun_sep_lock); - return -ENODEV; + 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); } - tpg = sep->sep_tpg; - 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); - spin_unlock(&lun->lun_sep_lock); + 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; } -DEV_STAT_SCSI_TRANSPORT_ATTR_RO(dev_name); -CONFIGFS_EATTR_OPS(target_stat_scsi_transport, se_port_stat_grps, - scsi_transport_group); +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_scsi_transport_inst.attr, - &target_stat_scsi_transport_device.attr, - &target_stat_scsi_transport_indx.attr, - &target_stat_scsi_transport_dev_name.attr, + &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 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, +static const struct config_item_type target_stat_scsi_transport_cit = { .ct_attrs = target_stat_scsi_transport_attrs, .ct_owner = THIS_MODULE, }; @@ -1040,383 +802,323 @@ static struct config_item_type target_stat_scsi_transport_cit = { */ void target_stat_setup_port_default_groups(struct se_lun *lun) { - struct config_group *port_stat_grp = &lun->port_stat_grps.stat_group; - 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); - - port_stat_grp->default_groups[0] = &lun->port_stat_grps.scsi_port_group; - port_stat_grp->default_groups[1] = &lun->port_stat_grps.scsi_tgt_port_group; - port_stat_grp->default_groups[2] = &lun->port_stat_grps.scsi_transport_group; - port_stat_grp->default_groups[3] = NULL; + configfs_add_default_group(&lun->port_stat_grps.scsi_transport_group, + &lun->port_stat_grps.stat_group); } /* * 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); +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; - 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); + 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)); - spin_unlock_irq(&nacl->device_list_lock); + rcu_read_unlock(); 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) +static ssize_t target_stat_auth_dev_show(struct config_item *item, + char *page) { - struct se_lun_acl *lacl = container_of(lgrps, - struct se_lun_acl, ml_stat_grps); + 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; - 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); + rcu_read_lock(); + deve = target_nacl_find_deve(nacl, lacl->mapped_lun); + if (!deve) { + rcu_read_unlock(); return -ENODEV; } - 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); + ret = snprintf(page, PAGE_SIZE, "%u\n", deve->se_lun->lun_index); + rcu_read_unlock(); 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) +static ssize_t target_stat_auth_port_show(struct config_item *item, + char *page) { - struct se_lun_acl *lacl = container_of(lgrps, - struct se_lun_acl, ml_stat_grps); + 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; - 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); + 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)); - spin_unlock_irq(&nacl->device_list_lock); + rcu_read_unlock(); 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) +static ssize_t target_stat_auth_indx_show(struct config_item *item, + char *page) { - struct se_lun_acl *lacl = container_of(lgrps, - struct se_lun_acl, ml_stat_grps); + 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; - 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); + 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); - spin_unlock_irq(&nacl->device_list_lock); + rcu_read_unlock(); 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) +static ssize_t target_stat_auth_dev_or_port_show(struct config_item *item, + char *page) { - struct se_lun_acl *lacl = container_of(lgrps, - struct se_lun_acl, ml_stat_grps); + 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; - 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); + 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); - spin_unlock_irq(&nacl->device_list_lock); + rcu_read_unlock(); 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) +static ssize_t target_stat_auth_intr_name_show(struct config_item *item, + char *page) { - struct se_lun_acl *lacl = container_of(lgrps, - struct se_lun_acl, ml_stat_grps); + 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; - 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); + 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); - spin_unlock_irq(&nacl->device_list_lock); + rcu_read_unlock(); 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) +static ssize_t target_stat_auth_map_indx_show(struct config_item *item, + char *page) { - struct se_lun_acl *lacl = container_of(lgrps, - struct se_lun_acl, ml_stat_grps); + 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; - 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); + 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); - spin_unlock_irq(&nacl->device_list_lock); + rcu_read_unlock(); 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) +static ssize_t target_stat_auth_att_count_show(struct config_item *item, + char *page) { - struct se_lun_acl *lacl = container_of(lgrps, - struct se_lun_acl, ml_stat_grps); + 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; - 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); + 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); - 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); + rcu_read_unlock(); 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); +#define auth_show_per_cpu_stat(prefix, field, shift) \ +per_cpu_stat_snprintf(se_dev_entry_io_stats, prefix, field, shift); \ +static ssize_t \ +target_stat_##prefix##_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; \ + int ret; \ + \ + rcu_read_lock(); \ + deve = target_nacl_find_deve(nacl, lacl->mapped_lun); \ + if (!deve) { \ + rcu_read_unlock(); \ + return -ENODEV; \ + } \ + \ + ret = per_cpu_stat_##prefix##_snprintf(deve->stats, page); \ + rcu_read_unlock(); \ + return ret; \ +} + +/* scsiAuthIntrOutCommands */ +auth_show_per_cpu_stat(auth_num_cmds, total_cmds, 0); +/* scsiAuthIntrReadMegaBytes */ +auth_show_per_cpu_stat(auth_read_mbytes, read_bytes, 20); +/* scsiAuthIntrWrittenMegaBytes */ +auth_show_per_cpu_stat(auth_write_mbytes, write_bytes, 20); + +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; - 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); + 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); - spin_unlock_irq(&nacl->device_list_lock); + rcu_read_unlock(); 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) +static ssize_t target_stat_auth_creation_time_show(struct config_item *item, + char *page) { - struct se_lun_acl *lacl = container_of(lgrps, - struct se_lun_acl, ml_stat_grps); + 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; - 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); + 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)); - spin_unlock_irq(&nacl->device_list_lock); + rcu_read_unlock(); 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) +static ssize_t target_stat_auth_row_status_show(struct config_item *item, + char *page) { - struct se_lun_acl *lacl = container_of(lgrps, - struct se_lun_acl, ml_stat_grps); + 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; - 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); + 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"); - spin_unlock_irq(&nacl->device_list_lock); + rcu_read_unlock(); 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); +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_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, + &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 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, +static const struct config_item_type target_stat_scsi_auth_intr_cit = { .ct_attrs = target_stat_scsi_auth_intr_attrs, .ct_owner = THIS_MODULE, }; @@ -1425,98 +1127,83 @@ static struct config_item_type target_stat_scsi_auth_intr_cit = { * 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); +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; - 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); + 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)); - spin_unlock_irq(&nacl->device_list_lock); + rcu_read_unlock(); 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) +static ssize_t target_stat_iport_dev_show(struct config_item *item, + char *page) { - struct se_lun_acl *lacl = container_of(lgrps, - struct se_lun_acl, ml_stat_grps); + 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; - 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); + rcu_read_lock(); + deve = target_nacl_find_deve(nacl, lacl->mapped_lun); + if (!deve) { + rcu_read_unlock(); return -ENODEV; } - 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); + ret = snprintf(page, PAGE_SIZE, "%u\n", deve->se_lun->lun_index); + rcu_read_unlock(); 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) +static ssize_t target_stat_iport_port_show(struct config_item *item, + char *page) { - struct se_lun_acl *lacl = container_of(lgrps, - struct se_lun_acl, ml_stat_grps); + 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; - 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); + 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)); - spin_unlock_irq(&nacl->device_list_lock); + rcu_read_unlock(); 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) +static ssize_t target_stat_iport_indx_show(struct config_item *item, + char *page) { - struct se_lun_acl *lacl = container_of(lgrps, - struct se_lun_acl, ml_stat_grps); + 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; @@ -1536,35 +1223,31 @@ static ssize_t target_stat_scsi_att_intr_port_show_attr_indx( 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) +static ssize_t target_stat_iport_port_auth_indx_show(struct config_item *item, + char *page) { - struct se_lun_acl *lacl = container_of(lgrps, - struct se_lun_acl, ml_stat_grps); + 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; - 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); + 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); - spin_unlock_irq(&nacl->device_list_lock); + rcu_read_unlock(); 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) +static ssize_t target_stat_iport_port_ident_show(struct config_item *item, + char *page) { - struct se_lun_acl *lacl = container_of(lgrps, - struct se_lun_acl, ml_stat_grps); + 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; @@ -1588,28 +1271,25 @@ static ssize_t target_stat_scsi_att_intr_port_show_attr_port_ident( 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); +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_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, + &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 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, +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, }; @@ -1620,14 +1300,13 @@ static struct config_item_type target_stat_scsi_att_intr_port_cit = { */ void target_stat_setup_mappedlun_default_groups(struct se_lun_acl *lacl) { - struct config_group *ml_stat_grp = &lacl->ml_stat_grps.stat_group; - 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); - - ml_stat_grp->default_groups[0] = &lacl->ml_stat_grps.scsi_auth_intr_group; - ml_stat_grp->default_groups[1] = &lacl->ml_stat_grps.scsi_att_intr_port_group; - ml_stat_grp->default_groups[2] = NULL; + configfs_add_default_group(&lacl->ml_stat_grps.scsi_att_intr_port_group, + &lacl->ml_stat_grps.stat_group); } |