/*******************************************************************************
* Filename: target_core_stat.c
*
- * Copyright (c) 2011 Rising Tide Systems
- * Copyright (c) 2011 Linux-iSCSI.org
- *
* Modern ConfigFS group context specific statistics based on original
* target_core_mib.c code
*
- * Copyright (c) 2006-2007 SBE, Inc. All Rights Reserved.
+ * (c) Copyright 2006-2012 RisingTide Systems LLC.
*
* Nicholas A. Bellinger <nab@linux-iscsi.org>
*
static ssize_t target_stat_scsi_dev_show_attr_inst(
struct se_dev_stat_grps *sgrps, char *page)
{
- struct se_subsystem_dev *se_subdev = container_of(sgrps,
- struct se_subsystem_dev, dev_stat_grps);
- struct se_hba *hba = se_subdev->se_dev_hba;
- struct se_device *dev = se_subdev->se_dev_ptr;
-
- if (!dev)
- return -ENODEV;
+ struct se_device *dev =
+ container_of(sgrps, struct se_device, dev_stat_grps);
+ struct se_hba *hba = dev->se_hba;
return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
}
static ssize_t target_stat_scsi_dev_show_attr_indx(
struct se_dev_stat_grps *sgrps, char *page)
{
- struct se_subsystem_dev *se_subdev = container_of(sgrps,
- struct se_subsystem_dev, dev_stat_grps);
- struct se_device *dev = se_subdev->se_dev_ptr;
-
- if (!dev)
- return -ENODEV;
+ struct se_device *dev =
+ container_of(sgrps, struct se_device, dev_stat_grps);
return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
}
static ssize_t target_stat_scsi_dev_show_attr_role(
struct se_dev_stat_grps *sgrps, char *page)
{
- struct se_subsystem_dev *se_subdev = container_of(sgrps,
- struct se_subsystem_dev, dev_stat_grps);
- struct se_device *dev = se_subdev->se_dev_ptr;
-
- if (!dev)
- return -ENODEV;
-
return snprintf(page, PAGE_SIZE, "Target\n");
}
DEV_STAT_SCSI_DEV_ATTR_RO(role);
static ssize_t target_stat_scsi_dev_show_attr_ports(
struct se_dev_stat_grps *sgrps, char *page)
{
- struct se_subsystem_dev *se_subdev = container_of(sgrps,
- struct se_subsystem_dev, dev_stat_grps);
- struct se_device *dev = se_subdev->se_dev_ptr;
-
- if (!dev)
- return -ENODEV;
+ struct se_device *dev =
+ container_of(sgrps, struct se_device, dev_stat_grps);
return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_port_count);
}
static ssize_t target_stat_scsi_tgt_dev_show_attr_inst(
struct se_dev_stat_grps *sgrps, char *page)
{
- struct se_subsystem_dev *se_subdev = container_of(sgrps,
- struct se_subsystem_dev, dev_stat_grps);
- struct se_hba *hba = se_subdev->se_dev_hba;
- struct se_device *dev = se_subdev->se_dev_ptr;
-
- if (!dev)
- return -ENODEV;
+ struct se_device *dev =
+ container_of(sgrps, struct se_device, dev_stat_grps);
+ struct se_hba *hba = dev->se_hba;
return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
}
static ssize_t target_stat_scsi_tgt_dev_show_attr_indx(
struct se_dev_stat_grps *sgrps, char *page)
{
- struct se_subsystem_dev *se_subdev = container_of(sgrps,
- struct se_subsystem_dev, dev_stat_grps);
- struct se_device *dev = se_subdev->se_dev_ptr;
-
- if (!dev)
- return -ENODEV;
+ struct se_device *dev =
+ container_of(sgrps, struct se_device, dev_stat_grps);
return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
}
static ssize_t target_stat_scsi_tgt_dev_show_attr_num_lus(
struct se_dev_stat_grps *sgrps, char *page)
{
- struct se_subsystem_dev *se_subdev = container_of(sgrps,
- struct se_subsystem_dev, dev_stat_grps);
- struct se_device *dev = se_subdev->se_dev_ptr;
-
- if (!dev)
- return -ENODEV;
-
return snprintf(page, PAGE_SIZE, "%u\n", LU_COUNT);
}
DEV_STAT_SCSI_TGT_DEV_ATTR_RO(num_lus);
static ssize_t target_stat_scsi_tgt_dev_show_attr_status(
struct se_dev_stat_grps *sgrps, char *page)
{
- struct se_subsystem_dev *se_subdev = container_of(sgrps,
- struct se_subsystem_dev, dev_stat_grps);
- struct se_device *dev = se_subdev->se_dev_ptr;
- char status[16];
+ struct se_device *dev =
+ container_of(sgrps, struct se_device, dev_stat_grps);
- if (!dev)
- return -ENODEV;
-
- switch (dev->dev_status) {
- case TRANSPORT_DEVICE_ACTIVATED:
- strcpy(status, "activated");
- break;
- case TRANSPORT_DEVICE_DEACTIVATED:
- strcpy(status, "deactivated");
- break;
- case TRANSPORT_DEVICE_SHUTDOWN:
- strcpy(status, "shutdown");
- break;
- case TRANSPORT_DEVICE_OFFLINE_ACTIVATED:
- case TRANSPORT_DEVICE_OFFLINE_DEACTIVATED:
- strcpy(status, "offline");
- break;
- default:
- sprintf(status, "unknown(%d)", dev->dev_status);
- break;
- }
-
- return snprintf(page, PAGE_SIZE, "%s\n", status);
+ if (dev->export_count)
+ return snprintf(page, PAGE_SIZE, "activated");
+ else
+ return snprintf(page, PAGE_SIZE, "deactivated");
}
DEV_STAT_SCSI_TGT_DEV_ATTR_RO(status);
static ssize_t target_stat_scsi_tgt_dev_show_attr_non_access_lus(
struct se_dev_stat_grps *sgrps, char *page)
{
- struct se_subsystem_dev *se_subdev = container_of(sgrps,
- struct se_subsystem_dev, dev_stat_grps);
- struct se_device *dev = se_subdev->se_dev_ptr;
+ struct se_device *dev =
+ container_of(sgrps, struct se_device, dev_stat_grps);
int non_accessible_lus;
- if (!dev)
- return -ENODEV;
-
- switch (dev->dev_status) {
- case TRANSPORT_DEVICE_ACTIVATED:
+ if (dev->export_count)
non_accessible_lus = 0;
- break;
- case TRANSPORT_DEVICE_DEACTIVATED:
- case TRANSPORT_DEVICE_SHUTDOWN:
- case TRANSPORT_DEVICE_OFFLINE_ACTIVATED:
- case TRANSPORT_DEVICE_OFFLINE_DEACTIVATED:
- default:
+ else
non_accessible_lus = 1;
- break;
- }
return snprintf(page, PAGE_SIZE, "%u\n", non_accessible_lus);
}
static ssize_t target_stat_scsi_tgt_dev_show_attr_resets(
struct se_dev_stat_grps *sgrps, char *page)
{
- struct se_subsystem_dev *se_subdev = container_of(sgrps,
- struct se_subsystem_dev, dev_stat_grps);
- struct se_device *dev = se_subdev->se_dev_ptr;
-
- if (!dev)
- return -ENODEV;
+ struct se_device *dev =
+ container_of(sgrps, struct se_device, dev_stat_grps);
return snprintf(page, PAGE_SIZE, "%u\n", dev->num_resets);
}
static ssize_t target_stat_scsi_lu_show_attr_inst(
struct se_dev_stat_grps *sgrps, char *page)
{
- struct se_subsystem_dev *se_subdev = container_of(sgrps,
- struct se_subsystem_dev, dev_stat_grps);
- struct se_hba *hba = se_subdev->se_dev_hba;
- struct se_device *dev = se_subdev->se_dev_ptr;
-
- if (!dev)
- return -ENODEV;
+ struct se_device *dev =
+ container_of(sgrps, struct se_device, dev_stat_grps);
+ struct se_hba *hba = dev->se_hba;
return snprintf(page, PAGE_SIZE, "%u\n", hba->hba_index);
}
static ssize_t target_stat_scsi_lu_show_attr_dev(
struct se_dev_stat_grps *sgrps, char *page)
{
- struct se_subsystem_dev *se_subdev = container_of(sgrps,
- struct se_subsystem_dev, dev_stat_grps);
- struct se_device *dev = se_subdev->se_dev_ptr;
-
- if (!dev)
- return -ENODEV;
+ struct se_device *dev =
+ container_of(sgrps, struct se_device, dev_stat_grps);
return snprintf(page, PAGE_SIZE, "%u\n", dev->dev_index);
}
static ssize_t target_stat_scsi_lu_show_attr_indx(
struct se_dev_stat_grps *sgrps, char *page)
{
- struct se_subsystem_dev *se_subdev = container_of(sgrps,
- struct se_subsystem_dev, dev_stat_grps);
- struct se_device *dev = se_subdev->se_dev_ptr;
-
- if (!dev)
- return -ENODEV;
-
return snprintf(page, PAGE_SIZE, "%u\n", SCSI_LU_INDEX);
}
DEV_STAT_SCSI_LU_ATTR_RO(indx);
static ssize_t target_stat_scsi_lu_show_attr_lun(
struct se_dev_stat_grps *sgrps, char *page)
{
- struct se_subsystem_dev *se_subdev = container_of(sgrps,
- struct se_subsystem_dev, dev_stat_grps);
- struct se_device *dev = se_subdev->se_dev_ptr;
-
- if (!dev)
- return -ENODEV;
/* FIXME: scsiLuDefaultLun */
return snprintf(page, PAGE_SIZE, "%llu\n", (unsigned long long)0);
}
static ssize_t target_stat_scsi_lu_show_attr_lu_name(
struct se_dev_stat_grps *sgrps, char *page)
{
- struct se_subsystem_dev *se_subdev = container_of(sgrps,
- struct se_subsystem_dev, dev_stat_grps);
- struct se_device *dev = se_subdev->se_dev_ptr;
+ struct se_device *dev =
+ container_of(sgrps, struct se_device, dev_stat_grps);
- if (!dev)
- return -ENODEV;
/* scsiLuWwnName */
return snprintf(page, PAGE_SIZE, "%s\n",
- (strlen(dev->se_sub_dev->t10_wwn.unit_serial)) ?
- dev->se_sub_dev->t10_wwn.unit_serial : "None");
+ (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)
{
- struct se_subsystem_dev *se_subdev = container_of(sgrps,
- struct se_subsystem_dev, dev_stat_grps);
- struct se_device *dev = se_subdev->se_dev_ptr;
+ struct se_device *dev =
+ container_of(sgrps, struct se_device, dev_stat_grps);
int i;
- char str[sizeof(dev->se_sub_dev->t10_wwn.vendor)+1];
-
- if (!dev)
- return -ENODEV;
+ char str[sizeof(dev->t10_wwn.vendor)+1];
/* scsiLuVendorId */
- for (i = 0; i < sizeof(dev->se_sub_dev->t10_wwn.vendor); i++)
- str[i] = ISPRINT(dev->se_sub_dev->t10_wwn.vendor[i]) ?
- dev->se_sub_dev->t10_wwn.vendor[i] : ' ';
+ 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_scsi_lu_show_attr_prod(
struct se_dev_stat_grps *sgrps, char *page)
{
- struct se_subsystem_dev *se_subdev = container_of(sgrps,
- struct se_subsystem_dev, dev_stat_grps);
- struct se_device *dev = se_subdev->se_dev_ptr;
+ struct se_device *dev =
+ container_of(sgrps, struct se_device, dev_stat_grps);
int i;
- char str[sizeof(dev->se_sub_dev->t10_wwn.model)+1];
-
- if (!dev)
- return -ENODEV;
+ char str[sizeof(dev->t10_wwn.model)+1];
/* scsiLuProductId */
- for (i = 0; i < sizeof(dev->se_sub_dev->t10_wwn.vendor); i++)
- str[i] = ISPRINT(dev->se_sub_dev->t10_wwn.model[i]) ?
- dev->se_sub_dev->t10_wwn.model[i] : ' ';
+ 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);
}
static ssize_t target_stat_scsi_lu_show_attr_rev(
struct se_dev_stat_grps *sgrps, char *page)
{
- struct se_subsystem_dev *se_subdev = container_of(sgrps,
- struct se_subsystem_dev, dev_stat_grps);
- struct se_device *dev = se_subdev->se_dev_ptr;
+ struct se_device *dev =
+ container_of(sgrps, struct se_device, dev_stat_grps);
int i;
- char str[sizeof(dev->se_sub_dev->t10_wwn.revision)+1];
-
- if (!dev)
- return -ENODEV;
+ char str[sizeof(dev->t10_wwn.revision)+1];
/* scsiLuRevisionId */
- for (i = 0; i < sizeof(dev->se_sub_dev->t10_wwn.revision); i++)
- str[i] = ISPRINT(dev->se_sub_dev->t10_wwn.revision[i]) ?
- dev->se_sub_dev->t10_wwn.revision[i] : ' ';
+ 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_scsi_lu_show_attr_dev_type(
struct se_dev_stat_grps *sgrps, char *page)
{
- struct se_subsystem_dev *se_subdev = container_of(sgrps,
- struct se_subsystem_dev, dev_stat_grps);
- struct se_device *dev = se_subdev->se_dev_ptr;
-
- if (!dev)
- return -ENODEV;
+ struct se_device *dev =
+ container_of(sgrps, struct se_device, dev_stat_grps);
/* scsiLuPeripheralType */
return snprintf(page, PAGE_SIZE, "%u\n",
static ssize_t target_stat_scsi_lu_show_attr_status(
struct se_dev_stat_grps *sgrps, char *page)
{
- struct se_subsystem_dev *se_subdev = container_of(sgrps,
- struct se_subsystem_dev, dev_stat_grps);
- struct se_device *dev = se_subdev->se_dev_ptr;
-
- if (!dev)
- return -ENODEV;
+ struct se_device *dev =
+ container_of(sgrps, struct se_device, dev_stat_grps);
/* scsiLuStatus */
return snprintf(page, PAGE_SIZE, "%s\n",
- (dev->dev_status == TRANSPORT_DEVICE_ACTIVATED) ?
- "available" : "notavailable");
+ (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)
{
- struct se_subsystem_dev *se_subdev = container_of(sgrps,
- struct se_subsystem_dev, dev_stat_grps);
- struct se_device *dev = se_subdev->se_dev_ptr;
-
- if (!dev)
- return -ENODEV;
-
/* scsiLuState */
return snprintf(page, PAGE_SIZE, "exposed\n");
}
static ssize_t target_stat_scsi_lu_show_attr_num_cmds(
struct se_dev_stat_grps *sgrps, char *page)
{
- struct se_subsystem_dev *se_subdev = container_of(sgrps,
- struct se_subsystem_dev, dev_stat_grps);
- struct se_device *dev = se_subdev->se_dev_ptr;
-
- if (!dev)
- return -ENODEV;
+ struct se_device *dev =
+ container_of(sgrps, struct se_device, dev_stat_grps);
/* scsiLuNumCommands */
return snprintf(page, PAGE_SIZE, "%llu\n",
static ssize_t target_stat_scsi_lu_show_attr_read_mbytes(
struct se_dev_stat_grps *sgrps, char *page)
{
- struct se_subsystem_dev *se_subdev = container_of(sgrps,
- struct se_subsystem_dev, dev_stat_grps);
- struct se_device *dev = se_subdev->se_dev_ptr;
-
- if (!dev)
- return -ENODEV;
+ 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));
static ssize_t target_stat_scsi_lu_show_attr_write_mbytes(
struct se_dev_stat_grps *sgrps, char *page)
{
- struct se_subsystem_dev *se_subdev = container_of(sgrps,
- struct se_subsystem_dev, dev_stat_grps);
- struct se_device *dev = se_subdev->se_dev_ptr;
-
- if (!dev)
- return -ENODEV;
+ 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));
static ssize_t target_stat_scsi_lu_show_attr_resets(
struct se_dev_stat_grps *sgrps, char *page)
{
- struct se_subsystem_dev *se_subdev = container_of(sgrps,
- struct se_subsystem_dev, dev_stat_grps);
- struct se_device *dev = se_subdev->se_dev_ptr;
-
- if (!dev)
- return -ENODEV;
+ struct se_device *dev =
+ container_of(sgrps, struct se_device, dev_stat_grps);
/* scsiLuInResets */
return snprintf(page, PAGE_SIZE, "%u\n", dev->num_resets);
static ssize_t target_stat_scsi_lu_show_attr_full_stat(
struct se_dev_stat_grps *sgrps, char *page)
{
- struct se_subsystem_dev *se_subdev = container_of(sgrps,
- struct se_subsystem_dev, dev_stat_grps);
- struct se_device *dev = se_subdev->se_dev_ptr;
-
- if (!dev)
- return -ENODEV;
-
/* FIXME: scsiLuOutTaskSetFullStatus */
return snprintf(page, PAGE_SIZE, "%u\n", 0);
}
static ssize_t target_stat_scsi_lu_show_attr_hs_num_cmds(
struct se_dev_stat_grps *sgrps, char *page)
{
- struct se_subsystem_dev *se_subdev = container_of(sgrps,
- struct se_subsystem_dev, dev_stat_grps);
- struct se_device *dev = se_subdev->se_dev_ptr;
-
- if (!dev)
- return -ENODEV;
-
/* FIXME: scsiLuHSInCommands */
return snprintf(page, PAGE_SIZE, "%u\n", 0);
}
static ssize_t target_stat_scsi_lu_show_attr_creation_time(
struct se_dev_stat_grps *sgrps, char *page)
{
- struct se_subsystem_dev *se_subdev = container_of(sgrps,
- struct se_subsystem_dev, dev_stat_grps);
- struct se_device *dev = se_subdev->se_dev_ptr;
-
- if (!dev)
- return -ENODEV;
+ struct se_device *dev =
+ container_of(sgrps, struct se_device, dev_stat_grps);
/* scsiLuCreationTime */
return snprintf(page, PAGE_SIZE, "%u\n", (u32)(((u32)dev->creation_time -
* Called from target_core_configfs.c:target_core_make_subdev() to setup
* the target statistics groups + configfs CITs located in target_core_stat.c
*/
-void target_stat_setup_dev_default_groups(struct se_subsystem_dev *se_subdev)
+void target_stat_setup_dev_default_groups(struct se_device *dev)
{
- struct config_group *dev_stat_grp = &se_subdev->dev_stat_grps.stat_group;
+ struct config_group *dev_stat_grp = &dev->dev_stat_grps.stat_group;
- config_group_init_type_name(&se_subdev->dev_stat_grps.scsi_dev_group,
+ config_group_init_type_name(&dev->dev_stat_grps.scsi_dev_group,
"scsi_dev", &target_stat_scsi_dev_cit);
- config_group_init_type_name(&se_subdev->dev_stat_grps.scsi_tgt_dev_group,
+ config_group_init_type_name(&dev->dev_stat_grps.scsi_tgt_dev_group,
"scsi_tgt_dev", &target_stat_scsi_tgt_dev_cit);
- config_group_init_type_name(&se_subdev->dev_stat_grps.scsi_lu_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] = &se_subdev->dev_stat_grps.scsi_dev_group;
- dev_stat_grp->default_groups[1] = &se_subdev->dev_stat_grps.scsi_tgt_dev_group;
- dev_stat_grp->default_groups[2] = &se_subdev->dev_stat_grps.scsi_lu_group;
+ 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;
}
return -ENODEV;
}
tpg = sep->sep_tpg;
- wwn = &dev->se_sub_dev->t10_wwn;
+ wwn = &dev->t10_wwn;
/* scsiTransportDevName */
ret = snprintf(page, PAGE_SIZE, "%s+%s\n",
tpg->se_tpg_tfo->tpg_get_wwn(tpg),
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