Commit a2640111 authored by Linus Torvalds's avatar Linus Torvalds

Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6:
  [SCSI] qla2xxx: Return DID_NO_CONNECT when FC device is lost.
  [SCSI] mptfusion: Bump version 03.04.18
  [SCSI] mptfusion: Fix Incorrect return value in mptscsih_dev_reset
  [SCSI] mptfusion: mptctl_release is required in mptctl.c
  [SCSI] target: fix use after free detected by SLUB poison
  [SCSI] target: Remove procfs based target_core_mib.c code
  [SCSI] target: Fix SCF_SCSI_CONTROL_SG_IO_CDB breakage
  [SCSI] target: Fix top-level configfs_subsystem default_group shutdown breakage
  [SCSI] target: fixed missing lock drop in error path
  [SCSI] target: Fix demo-mode MappedLUN shutdown UA/PR breakage
  [SCSI] target/iblock: Fix failed bd claim NULL pointer dereference
  [SCSI] target: iblock/pscsi claim checking for NULL instead of IS_ERR
  [SCSI] scsi_debug: Fix 32-bit overflow in do_device_access causing memory corruption
  [SCSI] qla2xxx: Change from irq to irqsave with host_lock
  [SCSI] qla2xxx: Fix race that could hang kthread_stop()
parents 0d6e82e7 1621dbbd
......@@ -76,8 +76,8 @@
#define COPYRIGHT "Copyright (c) 1999-2008 " MODULEAUTHOR
#endif
#define MPT_LINUX_VERSION_COMMON "3.04.17"
#define MPT_LINUX_PACKAGE_NAME "@(#)mptlinux-3.04.17"
#define MPT_LINUX_VERSION_COMMON "3.04.18"
#define MPT_LINUX_PACKAGE_NAME "@(#)mptlinux-3.04.18"
#define WHAT_MAGIC_STRING "@" "(" "#" ")"
#define show_mptmod_ver(s,ver) \
......
......@@ -596,6 +596,13 @@ mptctl_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
return 1;
}
static int
mptctl_release(struct inode *inode, struct file *filep)
{
fasync_helper(-1, filep, 0, &async_queue);
return 0;
}
static int
mptctl_fasync(int fd, struct file *filep, int mode)
{
......@@ -2815,6 +2822,7 @@ static const struct file_operations mptctl_fops = {
.llseek = no_llseek,
.fasync = mptctl_fasync,
.unlocked_ioctl = mptctl_ioctl,
.release = mptctl_release,
#ifdef CONFIG_COMPAT
.compat_ioctl = compat_mpctl_ioctl,
#endif
......
......@@ -1873,8 +1873,9 @@ mptscsih_abort(struct scsi_cmnd * SCpnt)
}
out:
printk(MYIOC_s_INFO_FMT "task abort: %s (sc=%p)\n",
ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), SCpnt);
printk(MYIOC_s_INFO_FMT "task abort: %s (rv=%04x) (sc=%p) (sn=%ld)\n",
ioc->name, ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), retval,
SCpnt, SCpnt->serial_number);
return retval;
}
......@@ -1911,7 +1912,7 @@ mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
vdevice = SCpnt->device->hostdata;
if (!vdevice || !vdevice->vtarget) {
retval = SUCCESS;
retval = 0;
goto out;
}
......
......@@ -1561,6 +1561,7 @@ qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
{
struct Scsi_Host *host = rport_to_shost(rport);
fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
unsigned long flags;
if (!fcport)
return;
......@@ -1573,10 +1574,10 @@ qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
* Transport has effectively 'deleted' the rport, clear
* all local references.
*/
spin_lock_irq(host->host_lock);
spin_lock_irqsave(host->host_lock, flags);
fcport->rport = fcport->drport = NULL;
*((fc_port_t **)rport->dd_data) = NULL;
spin_unlock_irq(host->host_lock);
spin_unlock_irqrestore(host->host_lock, flags);
if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
return;
......
......@@ -2505,11 +2505,12 @@ qla2x00_rport_del(void *data)
{
fc_port_t *fcport = data;
struct fc_rport *rport;
unsigned long flags;
spin_lock_irq(fcport->vha->host->host_lock);
spin_lock_irqsave(fcport->vha->host->host_lock, flags);
rport = fcport->drport ? fcport->drport: fcport->rport;
fcport->drport = NULL;
spin_unlock_irq(fcport->vha->host->host_lock);
spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
if (rport)
fc_remote_port_delete(rport);
}
......@@ -2879,6 +2880,7 @@ qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
struct fc_rport_identifiers rport_ids;
struct fc_rport *rport;
struct qla_hw_data *ha = vha->hw;
unsigned long flags;
qla2x00_rport_del(fcport);
......@@ -2893,9 +2895,9 @@ qla2x00_reg_remote_port(scsi_qla_host_t *vha, fc_port_t *fcport)
"Unable to allocate fc remote port!\n");
return;
}
spin_lock_irq(fcport->vha->host->host_lock);
spin_lock_irqsave(fcport->vha->host->host_lock, flags);
*((fc_port_t **)rport->dd_data) = fcport;
spin_unlock_irq(fcport->vha->host->host_lock);
spin_unlock_irqrestore(fcport->vha->host->host_lock, flags);
rport->supported_classes = fcport->supported_classes;
......
......@@ -562,7 +562,6 @@ qla2xxx_queuecommand_lck(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)
}
if (atomic_read(&fcport->state) != FCS_ONLINE) {
if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
atomic_read(&fcport->state) == FCS_DEVICE_LOST ||
atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
cmd->result = DID_NO_CONNECT << 16;
goto qc24_fail_command;
......@@ -2513,6 +2512,7 @@ qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
{
struct fc_rport *rport;
scsi_qla_host_t *base_vha;
unsigned long flags;
if (!fcport->rport)
return;
......@@ -2520,9 +2520,9 @@ qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport,
rport = fcport->rport;
if (defer) {
base_vha = pci_get_drvdata(vha->hw->pdev);
spin_lock_irq(vha->host->host_lock);
spin_lock_irqsave(vha->host->host_lock, flags);
fcport->drport = rport;
spin_unlock_irq(vha->host->host_lock);
spin_unlock_irqrestore(vha->host->host_lock, flags);
set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags);
qla2xxx_wake_dpc(base_vha);
} else
......@@ -3282,10 +3282,10 @@ qla2x00_do_dpc(void *data)
set_user_nice(current, -20);
set_current_state(TASK_INTERRUPTIBLE);
while (!kthread_should_stop()) {
DEBUG3(printk("qla2x00: DPC handler sleeping\n"));
set_current_state(TASK_INTERRUPTIBLE);
schedule();
__set_current_state(TASK_RUNNING);
......@@ -3454,7 +3454,9 @@ qla2x00_do_dpc(void *data)
qla2x00_do_dpc_all_vps(base_vha);
ha->dpc_active = 0;
set_current_state(TASK_INTERRUPTIBLE);
} /* End of while(1) */
__set_current_state(TASK_RUNNING);
DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no));
......
......@@ -1671,7 +1671,7 @@ static int do_device_access(struct scsi_cmnd *scmd,
unsigned long long lba, unsigned int num, int write)
{
int ret;
unsigned int block, rest = 0;
unsigned long long block, rest = 0;
int (*func)(struct scsi_cmnd *, unsigned char *, int);
func = write ? fetch_to_dev_buffer : fill_from_dev_buffer;
......
......@@ -13,8 +13,7 @@ target_core_mod-y := target_core_configfs.o \
target_core_transport.o \
target_core_cdb.o \
target_core_ua.o \
target_core_rd.o \
target_core_mib.o
target_core_rd.o
obj-$(CONFIG_TARGET_CORE) += target_core_mod.o
......
......@@ -37,7 +37,6 @@
#include <linux/parser.h>
#include <linux/syscalls.h>
#include <linux/configfs.h>
#include <linux/proc_fs.h>
#include <target/target_core_base.h>
#include <target/target_core_device.h>
......@@ -1971,13 +1970,35 @@ static void target_core_dev_release(struct config_item *item)
{
struct se_subsystem_dev *se_dev = container_of(to_config_group(item),
struct se_subsystem_dev, se_dev_group);
struct config_group *dev_cg;
if (!(se_dev))
return;
struct se_hba *hba = item_to_hba(&se_dev->se_dev_hba->hba_group.cg_item);
struct se_subsystem_api *t = hba->transport;
struct config_group *dev_cg = &se_dev->se_dev_group;
dev_cg = &se_dev->se_dev_group;
kfree(dev_cg->default_groups);
/*
* This pointer will set when the storage is enabled with:
*`echo 1 > $CONFIGFS/core/$HBA/$DEV/dev_enable`
*/
if (se_dev->se_dev_ptr) {
printk(KERN_INFO "Target_Core_ConfigFS: Calling se_free_"
"virtual_device() for se_dev_ptr: %p\n",
se_dev->se_dev_ptr);
se_free_virtual_device(se_dev->se_dev_ptr, hba);
} else {
/*
* Release struct se_subsystem_dev->se_dev_su_ptr..
*/
printk(KERN_INFO "Target_Core_ConfigFS: Calling t->free_"
"device() for se_dev_su_ptr: %p\n",
se_dev->se_dev_su_ptr);
t->free_device(se_dev->se_dev_su_ptr);
}
printk(KERN_INFO "Target_Core_ConfigFS: Deallocating se_subsystem"
"_dev_t: %p\n", se_dev);
kfree(se_dev);
}
static ssize_t target_core_dev_show(struct config_item *item,
......@@ -2140,7 +2161,16 @@ static struct configfs_attribute *target_core_alua_lu_gp_attrs[] = {
NULL,
};
static void target_core_alua_lu_gp_release(struct config_item *item)
{
struct t10_alua_lu_gp *lu_gp = container_of(to_config_group(item),
struct t10_alua_lu_gp, lu_gp_group);
core_alua_free_lu_gp(lu_gp);
}
static struct configfs_item_operations target_core_alua_lu_gp_ops = {
.release = target_core_alua_lu_gp_release,
.show_attribute = target_core_alua_lu_gp_attr_show,
.store_attribute = target_core_alua_lu_gp_attr_store,
};
......@@ -2191,9 +2221,11 @@ static void target_core_alua_drop_lu_gp(
printk(KERN_INFO "Target_Core_ConfigFS: Releasing ALUA Logical Unit"
" Group: core/alua/lu_gps/%s, ID: %hu\n",
config_item_name(item), lu_gp->lu_gp_id);
/*
* core_alua_free_lu_gp() is called from target_core_alua_lu_gp_ops->release()
* -> target_core_alua_lu_gp_release()
*/
config_item_put(item);
core_alua_free_lu_gp(lu_gp);
}
static struct configfs_group_operations target_core_alua_lu_gps_group_ops = {
......@@ -2549,7 +2581,16 @@ static struct configfs_attribute *target_core_alua_tg_pt_gp_attrs[] = {
NULL,
};
static void target_core_alua_tg_pt_gp_release(struct config_item *item)
{
struct t10_alua_tg_pt_gp *tg_pt_gp = container_of(to_config_group(item),
struct t10_alua_tg_pt_gp, tg_pt_gp_group);
core_alua_free_tg_pt_gp(tg_pt_gp);
}
static struct configfs_item_operations target_core_alua_tg_pt_gp_ops = {
.release = target_core_alua_tg_pt_gp_release,
.show_attribute = target_core_alua_tg_pt_gp_attr_show,
.store_attribute = target_core_alua_tg_pt_gp_attr_store,
};
......@@ -2602,9 +2643,11 @@ static void target_core_alua_drop_tg_pt_gp(
printk(KERN_INFO "Target_Core_ConfigFS: Releasing ALUA Target Port"
" Group: alua/tg_pt_gps/%s, ID: %hu\n",
config_item_name(item), tg_pt_gp->tg_pt_gp_id);
/*
* core_alua_free_tg_pt_gp() is called from target_core_alua_tg_pt_gp_ops->release()
* -> target_core_alua_tg_pt_gp_release().
*/
config_item_put(item);
core_alua_free_tg_pt_gp(tg_pt_gp);
}
static struct configfs_group_operations target_core_alua_tg_pt_gps_group_ops = {
......@@ -2771,13 +2814,11 @@ static void target_core_drop_subdev(
struct se_subsystem_api *t;
struct config_item *df_item;
struct config_group *dev_cg, *tg_pt_gp_cg;
int i, ret;
int i;
hba = item_to_hba(&se_dev->se_dev_hba->hba_group.cg_item);
if (mutex_lock_interruptible(&hba->hba_access_mutex))
goto out;
mutex_lock(&hba->hba_access_mutex);
t = hba->transport;
spin_lock(&se_global->g_device_lock);
......@@ -2791,7 +2832,10 @@ static void target_core_drop_subdev(
config_item_put(df_item);
}
kfree(tg_pt_gp_cg->default_groups);
core_alua_free_tg_pt_gp(T10_ALUA(se_dev)->default_tg_pt_gp);
/*
* core_alua_free_tg_pt_gp() is called from ->default_tg_pt_gp
* directly from target_core_alua_tg_pt_gp_release().
*/
T10_ALUA(se_dev)->default_tg_pt_gp = NULL;
dev_cg = &se_dev->se_dev_group;
......@@ -2800,38 +2844,12 @@ static void target_core_drop_subdev(
dev_cg->default_groups[i] = NULL;
config_item_put(df_item);
}
config_item_put(item);
/*
* This pointer will set when the storage is enabled with:
* `echo 1 > $CONFIGFS/core/$HBA/$DEV/dev_enable`
* The releasing of se_dev and associated se_dev->se_dev_ptr is done
* from target_core_dev_item_ops->release() ->target_core_dev_release().
*/
if (se_dev->se_dev_ptr) {
printk(KERN_INFO "Target_Core_ConfigFS: Calling se_free_"
"virtual_device() for se_dev_ptr: %p\n",
se_dev->se_dev_ptr);
ret = se_free_virtual_device(se_dev->se_dev_ptr, hba);
if (ret < 0)
goto hba_out;
} else {
/*
* Release struct se_subsystem_dev->se_dev_su_ptr..
*/
printk(KERN_INFO "Target_Core_ConfigFS: Calling t->free_"
"device() for se_dev_su_ptr: %p\n",
se_dev->se_dev_su_ptr);
t->free_device(se_dev->se_dev_su_ptr);
}
printk(KERN_INFO "Target_Core_ConfigFS: Deallocating se_subsystem"
"_dev_t: %p\n", se_dev);
hba_out:
config_item_put(item);
mutex_unlock(&hba->hba_access_mutex);
out:
kfree(se_dev);
}
static struct configfs_group_operations target_core_hba_group_ops = {
......@@ -2914,6 +2932,13 @@ SE_HBA_ATTR(hba_mode, S_IRUGO | S_IWUSR);
CONFIGFS_EATTR_OPS(target_core_hba, se_hba, hba_group);
static void target_core_hba_release(struct config_item *item)
{
struct se_hba *hba = container_of(to_config_group(item),
struct se_hba, hba_group);
core_delete_hba(hba);
}
static struct configfs_attribute *target_core_hba_attrs[] = {
&target_core_hba_hba_info.attr,
&target_core_hba_hba_mode.attr,
......@@ -2921,6 +2946,7 @@ static struct configfs_attribute *target_core_hba_attrs[] = {
};
static struct configfs_item_operations target_core_hba_item_ops = {
.release = target_core_hba_release,
.show_attribute = target_core_hba_attr_show,
.store_attribute = target_core_hba_attr_store,
};
......@@ -2997,10 +3023,11 @@ static void target_core_call_delhbafromtarget(
struct config_group *group,
struct config_item *item)
{
struct se_hba *hba = item_to_hba(item);
/*
* core_delete_hba() is called from target_core_hba_item_ops->release()
* -> target_core_hba_release()
*/
config_item_put(item);
core_delete_hba(hba);
}
static struct configfs_group_operations target_core_group_ops = {
......@@ -3022,7 +3049,6 @@ static int target_core_init_configfs(void)
struct config_group *target_cg, *hba_cg = NULL, *alua_cg = NULL;
struct config_group *lu_gp_cg = NULL;
struct configfs_subsystem *subsys;
struct proc_dir_entry *scsi_target_proc = NULL;
struct t10_alua_lu_gp *lu_gp;
int ret;
......@@ -3128,21 +3154,10 @@ static int target_core_init_configfs(void)
if (core_dev_setup_virtual_lun0() < 0)
goto out;
scsi_target_proc = proc_mkdir("scsi_target", 0);
if (!(scsi_target_proc)) {
printk(KERN_ERR "proc_mkdir(scsi_target, 0) failed\n");
goto out;
}
ret = init_scsi_target_mib();
if (ret < 0)
goto out;
return 0;
out:
configfs_unregister_subsystem(subsys);
if (scsi_target_proc)
remove_proc_entry("scsi_target", 0);
core_dev_release_virtual_lun0();
rd_module_exit();
out_global:
......@@ -3178,8 +3193,7 @@ static void target_core_exit_configfs(void)
config_item_put(item);
}
kfree(lu_gp_cg->default_groups);
core_alua_free_lu_gp(se_global->default_lu_gp);
se_global->default_lu_gp = NULL;
lu_gp_cg->default_groups = NULL;
alua_cg = &se_global->alua_group;
for (i = 0; alua_cg->default_groups[i]; i++) {
......@@ -3188,6 +3202,7 @@ static void target_core_exit_configfs(void)
config_item_put(item);
}
kfree(alua_cg->default_groups);
alua_cg->default_groups = NULL;
hba_cg = &se_global->target_core_hbagroup;
for (i = 0; hba_cg->default_groups[i]; i++) {
......@@ -3196,20 +3211,20 @@ static void target_core_exit_configfs(void)
config_item_put(item);
}
kfree(hba_cg->default_groups);
for (i = 0; subsys->su_group.default_groups[i]; i++) {
item = &subsys->su_group.default_groups[i]->cg_item;
subsys->su_group.default_groups[i] = NULL;
config_item_put(item);
}
hba_cg->default_groups = NULL;
/*
* We expect subsys->su_group.default_groups to be released
* by configfs subsystem provider logic..
*/
configfs_unregister_subsystem(subsys);
kfree(subsys->su_group.default_groups);
configfs_unregister_subsystem(subsys);
core_alua_free_lu_gp(se_global->default_lu_gp);
se_global->default_lu_gp = NULL;
printk(KERN_INFO "TARGET_CORE[0]: Released ConfigFS Fabric"
" Infrastructure\n");
remove_scsi_target_mib();
remove_proc_entry("scsi_target", 0);
core_dev_release_virtual_lun0();
rd_module_exit();
release_se_global();
......
......@@ -373,11 +373,11 @@ int core_update_device_list_for_node(
/*
* deve->se_lun_acl will be NULL for demo-mode created LUNs
* that have not been explictly concerted to MappedLUNs ->
* struct se_lun_acl.
* struct se_lun_acl, but we remove deve->alua_port_list from
* port->sep_alua_list. This also means that active UAs and
* NodeACL context specific PR metadata for demo-mode
* MappedLUN *deve will be released below..
*/
if (!(deve->se_lun_acl))
return 0;
spin_lock_bh(&port->sep_alua_lock);
list_del(&deve->alua_port_list);
spin_unlock_bh(&port->sep_alua_lock);
......@@ -395,12 +395,14 @@ int core_update_device_list_for_node(
printk(KERN_ERR "struct se_dev_entry->se_lun_acl"
" already set for demo mode -> explict"
" LUN ACL transition\n");
spin_unlock_irq(&nacl->device_list_lock);
return -1;
}
if (deve->se_lun != lun) {
printk(KERN_ERR "struct se_dev_entry->se_lun does"
" match passed struct se_lun for demo mode"
" -> explict LUN ACL transition\n");
spin_unlock_irq(&nacl->device_list_lock);
return -1;
}
deve->se_lun_acl = lun_acl;
......@@ -865,9 +867,6 @@ static void se_dev_stop(struct se_device *dev)
}
}
spin_unlock(&hba->device_lock);
while (atomic_read(&hba->dev_mib_access_count))
cpu_relax();
}
int se_dev_check_online(struct se_device *dev)
......
......@@ -214,12 +214,22 @@ TCM_MAPPEDLUN_ATTR(write_protect, S_IRUGO | S_IWUSR);
CONFIGFS_EATTR_OPS(target_fabric_mappedlun, se_lun_acl, se_lun_group);
static void target_fabric_mappedlun_release(struct config_item *item)
{
struct se_lun_acl *lacl = container_of(to_config_group(item),
struct se_lun_acl, se_lun_group);
struct se_portal_group *se_tpg = lacl->se_lun_nacl->se_tpg;
core_dev_free_initiator_node_lun_acl(se_tpg, lacl);
}
static struct configfs_attribute *target_fabric_mappedlun_attrs[] = {
&target_fabric_mappedlun_write_protect.attr,
NULL,
};
static struct configfs_item_operations target_fabric_mappedlun_item_ops = {
.release = target_fabric_mappedlun_release,
.show_attribute = target_fabric_mappedlun_attr_show,
.store_attribute = target_fabric_mappedlun_attr_store,
.allow_link = target_fabric_mappedlun_link,
......@@ -337,15 +347,21 @@ static void target_fabric_drop_mappedlun(
struct config_group *group,
struct config_item *item)
{
struct se_lun_acl *lacl = container_of(to_config_group(item),
struct se_lun_acl, se_lun_group);
struct se_portal_group *se_tpg = lacl->se_lun_nacl->se_tpg;
config_item_put(item);
core_dev_free_initiator_node_lun_acl(se_tpg, lacl);
}
static void target_fabric_nacl_base_release(struct config_item *item)
{
struct se_node_acl *se_nacl = container_of(to_config_group(item),
struct se_node_acl, acl_group);
struct se_portal_group *se_tpg = se_nacl->se_tpg;
struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf;
tf->tf_ops.fabric_drop_nodeacl(se_nacl);
}
static struct configfs_item_operations target_fabric_nacl_base_item_ops = {
.release = target_fabric_nacl_base_release,
.show_attribute = target_fabric_nacl_base_attr_show,
.store_attribute = target_fabric_nacl_base_attr_store,
};
......@@ -404,9 +420,6 @@ static void target_fabric_drop_nodeacl(
struct config_group *group,
struct config_item *item)
{
struct se_portal_group *se_tpg = container_of(group,
struct se_portal_group, tpg_acl_group);
struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf;
struct se_node_acl *se_nacl = container_of(to_config_group(item),
struct se_node_acl, acl_group);
struct config_item *df_item;
......@@ -419,9 +432,10 @@ static void target_fabric_drop_nodeacl(
nacl_cg->default_groups[i] = NULL;
config_item_put(df_item);
}
/*
* struct se_node_acl free is done in target_fabric_nacl_base_release()
*/
config_item_put(item);
tf->tf_ops.fabric_drop_nodeacl(se_nacl);
}
static struct configfs_group_operations target_fabric_nacl_group_ops = {
......@@ -437,7 +451,18 @@ TF_CIT_SETUP(tpg_nacl, NULL, &target_fabric_nacl_group_ops, NULL);
CONFIGFS_EATTR_OPS(target_fabric_np_base, se_tpg_np, tpg_np_group);
static void target_fabric_np_base_release(struct config_item *item)
{
struct se_tpg_np *se_tpg_np = container_of(to_config_group(item),
struct se_tpg_np, tpg_np_group);
struct se_portal_group *se_tpg = se_tpg_np->tpg_np_parent;
struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf;
tf->tf_ops.fabric_drop_np(se_tpg_np);
}
static struct configfs_item_operations target_fabric_np_base_item_ops = {
.release = target_fabric_np_base_release,
.show_attribute = target_fabric_np_base_attr_show,
.store_attribute = target_fabric_np_base_attr_store,
};
......@@ -466,6 +491,7 @@ static struct config_group *target_fabric_make_np(
if (!(se_tpg_np) || IS_ERR(se_tpg_np))
return ERR_PTR(-EINVAL);
se_tpg_np->tpg_np_parent = se_tpg;
config_group_init_type_name(&se_tpg_np->tpg_np_group, name,
&TF_CIT_TMPL(tf)->tfc_tpg_np_base_cit);
......@@ -476,14 +502,10 @@ static void target_fabric_drop_np(
struct config_group *group,
struct config_item *item)
{
struct se_portal_group *se_tpg = container_of(group,
struct se_portal_group, tpg_np_group);
struct target_fabric_configfs *tf = se_tpg->se_tpg_wwn->wwn_tf;
struct se_tpg_np *se_tpg_np = container_of(to_config_group(item),
struct se_tpg_np, tpg_np_group);
/*
* struct se_tpg_np is released via target_fabric_np_base_release()
*/
config_item_put(item);
tf->tf_ops.fabric_drop_np(se_tpg_np);
}
static struct configfs_group_operations target_fabric_np_group_ops = {
......@@ -814,7 +836,18 @@ TF_CIT_SETUP(tpg_param, &target_fabric_tpg_param_item_ops, NULL, NULL);
*/
CONFIGFS_EATTR_OPS(target_fabric_tpg, se_portal_group, tpg_group);
static void target_fabric_tpg_release(struct config_item *item)
{
struct se_portal_group *se_tpg = container_of(to_config_group(item),
struct se_portal_group, tpg_group);
struct se_wwn *wwn = se_tpg->se_tpg_wwn;
struct target_fabric_configfs *tf = wwn->wwn_tf;
tf->tf_ops.fabric_drop_tpg(se_tpg);
}
static struct configfs_item_operations target_fabric_tpg_base_item_ops = {
.release = target_fabric_tpg_release,
.show_attribute = target_fabric_tpg_attr_show,
.store_attribute = target_fabric_tpg_attr_store,
};
......@@ -872,8 +905,6 @@ static void target_fabric_drop_tpg(
struct config_group *group,
struct config_item *item)
{
struct se_wwn *wwn = container_of(group, struct se_wwn, wwn_group);
struct target_fabric_configfs *tf = wwn->wwn_tf;
struct se_portal_group *se_tpg = container_of(to_config_group(item),
struct se_portal_group, tpg_group);
struct config_group *tpg_cg = &se_tpg->tpg_group;
......@@ -890,15 +921,28 @@ static void target_fabric_drop_tpg(
}
config_item_put(item);
tf->tf_ops.fabric_drop_tpg(se_tpg);
}
static void target_fabric_release_wwn(struct config_item *item)
{
struct se_wwn *wwn = container_of(to_config_group(item),
struct se_wwn, wwn_group);
struct target_fabric_configfs *tf = wwn->wwn_tf;
tf->tf_ops.fabric_drop_wwn(wwn);
}
static struct configfs_item_operations target_fabric_tpg_item_ops = {
.release = target_fabric_release_wwn,
};
static struct configfs_group_operations target_fabric_tpg_group_ops = {
.make_group = target_fabric_make_tpg,
.drop_item = target_fabric_drop_tpg,
};
TF_CIT_SETUP(tpg, NULL, &target_fabric_tpg_group_ops, NULL);
TF_CIT_SETUP(tpg, &target_fabric_tpg_item_ops, &target_fabric_tpg_group_ops,
NULL);
/* End of tfc_tpg_cit */
......@@ -932,13 +976,7 @@ static void target_fabric_drop_wwn(
struct config_group *group,
struct config_item *item)
{
struct target_fabric_configfs *tf = container_of(group,
struct target_fabric_configfs, tf_group);
struct se_wwn *wwn = container_of(to_config_group(item),
struct se_wwn, wwn_group);
config_item_put(item);
tf->tf_ops.fabric_drop_wwn(wwn);
}
static struct configfs_group_operations target_fabric_wwn_group_ops = {
......
......@@ -154,7 +154,7 @@ static struct se_device *iblock_create_virtdevice(
bd = blkdev_get_by_path(ib_dev->ibd_udev_path,
FMODE_WRITE|FMODE_READ|FMODE_EXCL, ib_dev);
if (!(bd))
if (IS_ERR(bd))
goto failed;
/*
* Setup the local scope queue_limits from struct request_queue->limits
......@@ -220,8 +220,10 @@ static void iblock_free_device(void *p)
{
struct iblock_dev *ib_dev = p;
blkdev_put(ib_dev->ibd_bd, FMODE_WRITE|FMODE_READ|FMODE_EXCL);
bioset_free(ib_dev->ibd_bio_set);
if (ib_dev->ibd_bd != NULL)
blkdev_put(ib_dev->ibd_bd, FMODE_WRITE|FMODE_READ|FMODE_EXCL);
if (ib_dev->ibd_bio_set != NULL)
bioset_free(ib_dev->ibd_bio_set);
kfree(ib_dev);
}
......
/*******************************************************************************
* Filename: target_core_mib.c
*
* Copyright (c) 2006-2007 SBE, Inc. All Rights Reserved.
* Copyright (c) 2007-2010 Rising Tide Systems
* Copyright (c) 2008-2010 Linux-iSCSI.org
*
* Nicholas A. Bellinger <nab@linux-iscsi.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
******************************************************************************/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/timer.h>
#include <linux/string.h>
#include <linux/version.h>
#include <generated/utsrelease.h>
#include <linux/utsname.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/blkdev.h>
#include <scsi/scsi.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_host.h>
#include <target/target_core_base.h>
#include <target/target_core_transport.h>
#include <target/target_core_fabric_ops.h>
#include <target/target_core_configfs.h>
#include "target_core_hba.h"
#include "target_core_mib.h"
/* SCSI mib table index */
static struct scsi_index_table scsi_index_table;
#ifndef INITIAL_JIFFIES
#define INITIAL_JIFFIES ((unsigned long)(unsigned int) (-300*HZ))
#endif
/* SCSI Instance Table */
#define SCSI_INST_SW_INDEX 1
#define SCSI_TRANSPORT_INDEX 1
#define NONE "None"
#define ISPRINT(a) ((a >= ' ') && (a <= '~'))
static inline int list_is_first(const struct list_head *list,
const struct list_head *head)
{
return list->prev == head;
}
static void *locate_hba_start(
struct seq_file *seq,
loff_t *pos)
{
spin_lock(&se_global->g_device_lock);
return seq_list_start(&se_global->g_se_dev_list, *pos);
}
static void *locate_hba_next(
struct seq_file *seq,
void *v,
loff_t *pos)
{
return seq_list_next(v, &se_global->g_se_dev_list, pos);
}
static void locate_hba_stop(struct seq_file *seq, void *v)
{
spin_unlock(&se_global->g_device_lock);
}
/****************************************************************************
* SCSI MIB Tables
****************************************************************************/
/*
* SCSI Instance Table
*/
static void *scsi_inst_seq_start(
struct seq_file *seq,
loff_t *pos)
{
spin_lock(&se_global->hba_lock);
return seq_list_start(&se_global->g_hba_list, *pos);
}
static void *scsi_inst_seq_next(
struct seq_file *seq,
void *v,
loff_t *pos)
{
return seq_list_next(v, &se_global->g_hba_list, pos);
}
static void scsi_inst_seq_stop(struct seq_file *seq, void *v)
{
spin_unlock(&se_global->hba_lock);
}
static int scsi_inst_seq_show(struct seq_file *seq, void *v)
{
struct se_hba *hba = list_entry(v, struct se_hba, hba_list);
if (list_is_first(&hba->hba_list, &se_global->g_hba_list))
seq_puts(seq, "inst sw_indx\n");
seq_printf(seq, "%u %u\n", hba->hba_index, SCSI_INST_SW_INDEX);
seq_printf(seq, "plugin: %s version: %s\n",
hba->transport->name, TARGET_CORE_VERSION);
return 0;
}
static const struct seq_operations scsi_inst_seq_ops = {
.start = scsi_inst_seq_start,
.next = scsi_inst_seq_next,
.stop = scsi_inst_seq_stop,
.show = scsi_inst_seq_show
};
static int scsi_inst_seq_open(struct inode *inode, struct file *file)
{
return seq_open(file, &scsi_inst_seq_ops);
}
static const struct file_operations scsi_inst_seq_fops = {
.owner = THIS_MODULE,
.open = scsi_inst_seq_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
/*
* SCSI Device Table
*/
static void *scsi_dev_seq_start(struct seq_file *seq, loff_t *pos)
{
return locate_hba_start(seq, pos);
}
static void *scsi_dev_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
return locate_hba_next(seq, v, pos);
}
static void scsi_dev_seq_stop(struct seq_file *seq, void *v)
{
locate_hba_stop(seq, v);
}
static int scsi_dev_seq_show(struct seq_file *seq, void *v)
{
struct se_hba *hba;
struct se_subsystem_dev *se_dev = list_entry(v, struct se_subsystem_dev,
g_se_dev_list);
struct se_device *dev = se_dev->se_dev_ptr;
char str[28];
int k;
if (list_is_first(&se_dev->g_se_dev_list, &se_global->g_se_dev_list))
seq_puts(seq, "inst indx role ports\n");
if (!(dev))
return 0;
hba = dev->se_hba;
if (!(hba)) {
/* Log error ? */
return 0;
}
seq_printf(seq, "%u %u %s %u\n", hba->hba_index,
dev->dev_index, "Target", dev->dev_port_count);
memcpy(&str[0], (void *)DEV_T10_WWN(dev), 28);
/* vendor */
for (k = 0; k < 8; k++)
str[k] = ISPRINT(DEV_T10_WWN(dev)->vendor[k]) ?
DEV_T10_WWN(dev)->vendor[k] : 0x20;
str[k] = 0x20;
/* model */
for (k = 0; k < 16; k++)
str[k+9] = ISPRINT(DEV_T10_WWN(dev)->model[k]) ?
DEV_T10_WWN(dev)->model[k] : 0x20;
str[k + 9] = 0;
seq_printf(seq, "dev_alias: %s\n", str);
return 0;
}
static const struct seq_operations scsi_dev_seq_ops = {
.start = scsi_dev_seq_start,
.next = scsi_dev_seq_next,
.stop = scsi_dev_seq_stop,
.show = scsi_dev_seq_show
};
static int scsi_dev_seq_open(struct inode *inode, struct file *file)
{
return seq_open(file, &scsi_dev_seq_ops);
}
static const struct file_operations scsi_dev_seq_fops = {
.owner = THIS_MODULE,
.open = scsi_dev_seq_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
/*
* SCSI Port Table
*/
static void *scsi_port_seq_start(struct seq_file *seq, loff_t *pos)
{
return locate_hba_start(seq, pos);
}
static void *scsi_port_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
return locate_hba_next(seq, v, pos);
}
static void scsi_port_seq_stop(struct seq_file *seq, void *v)
{
locate_hba_stop(seq, v);
}
static int scsi_port_seq_show(struct seq_file *seq, void *v)
{
struct se_hba *hba;
struct se_subsystem_dev *se_dev = list_entry(v, struct se_subsystem_dev,
g_se_dev_list);
struct se_device *dev = se_dev->se_dev_ptr;
struct se_port *sep, *sep_tmp;
if (list_is_first(&se_dev->g_se_dev_list, &se_global->g_se_dev_list))
seq_puts(seq, "inst device indx role busy_count\n");
if (!(dev))
return 0;
hba = dev->se_hba;
if (!(hba)) {
/* Log error ? */
return 0;
}
/* FIXME: scsiPortBusyStatuses count */
spin_lock(&dev->se_port_lock);
list_for_each_entry_safe(sep, sep_tmp, &dev->dev_sep_list, sep_list) {
seq_printf(seq, "%u %u %u %s%u %u\n", hba->hba_index,
dev->dev_index, sep->sep_index, "Device",
dev->dev_index, 0);
}
spin_unlock(&dev->se_port_lock);
return 0;
}
static const struct seq_operations scsi_port_seq_ops = {
.start = scsi_port_seq_start,
.next = scsi_port_seq_next,
.stop = scsi_port_seq_stop,
.show = scsi_port_seq_show
};
static int scsi_port_seq_open(struct inode *inode, struct file *file)
{
return seq_open(file, &scsi_port_seq_ops);
}
static const struct file_operations scsi_port_seq_fops = {
.owner = THIS_MODULE,
.open = scsi_port_seq_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
/*
* SCSI Transport Table
*/
static void *scsi_transport_seq_start(struct seq_file *seq, loff_t *pos)
{
return locate_hba_start(seq, pos);
}
static void *scsi_transport_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
return locate_hba_next(seq, v, pos);
}
static void scsi_transport_seq_stop(struct seq_file *seq, void *v)
{
locate_hba_stop(seq, v);
}
static int scsi_transport_seq_show(struct seq_file *seq, void *v)
{
struct se_hba *hba;
struct se_subsystem_dev *se_dev = list_entry(v, struct se_subsystem_dev,
g_se_dev_list);
struct se_device *dev = se_dev->se_dev_ptr;
struct se_port *se, *se_tmp;
struct se_portal_group *tpg;
struct t10_wwn *wwn;
char buf[64];
if (list_is_first(&se_dev->g_se_dev_list, &se_global->g_se_dev_list))
seq_puts(seq, "inst device indx dev_name\n");
if (!(dev))
return 0;
hba = dev->se_hba;
if (!(hba)) {
/* Log error ? */
return 0;
}
wwn = DEV_T10_WWN(dev);
spin_lock(&dev->se_port_lock);
list_for_each_entry_safe(se, se_tmp, &dev->dev_sep_list, sep_list) {
tpg = se->sep_tpg;
sprintf(buf, "scsiTransport%s",
TPG_TFO(tpg)->get_fabric_name());
seq_printf(seq, "%u %s %u %s+%s\n",
hba->hba_index, /* scsiTransportIndex */
buf, /* scsiTransportType */
(TPG_TFO(tpg)->tpg_get_inst_index != NULL) ?
TPG_TFO(tpg)->tpg_get_inst_index(tpg) :
0,
TPG_TFO(tpg)->tpg_get_wwn(tpg),
(strlen(wwn->unit_serial)) ?
/* scsiTransportDevName */
wwn->unit_serial : wwn->vendor);
}
spin_unlock(&dev->se_port_lock);
return 0;
}
static const struct seq_operations scsi_transport_seq_ops = {
.start = scsi_transport_seq_start,
.next = scsi_transport_seq_next,
.stop = scsi_transport_seq_stop,
.show = scsi_transport_seq_show
};
static int scsi_transport_seq_open(struct inode *inode, struct file *file)
{
return seq_open(file, &scsi_transport_seq_ops);
}
static const struct file_operations scsi_transport_seq_fops = {
.owner = THIS_MODULE,
.open = scsi_transport_seq_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
/*
* SCSI Target Device Table
*/
static void *scsi_tgt_dev_seq_start(struct seq_file *seq, loff_t *pos)
{
return locate_hba_start(seq, pos);
}
static void *scsi_tgt_dev_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
return locate_hba_next(seq, v, pos);
}
static void scsi_tgt_dev_seq_stop(struct seq_file *seq, void *v)
{
locate_hba_stop(seq, v);
}
#define LU_COUNT 1 /* for now */
static int scsi_tgt_dev_seq_show(struct seq_file *seq, void *v)
{
struct se_hba *hba;
struct se_subsystem_dev *se_dev = list_entry(v, struct se_subsystem_dev,
g_se_dev_list);
struct se_device *dev = se_dev->se_dev_ptr;
int non_accessible_lus = 0;
char status[16];
if (list_is_first(&se_dev->g_se_dev_list, &se_global->g_se_dev_list))
seq_puts(seq, "inst indx num_LUs status non_access_LUs"
" resets\n");
if (!(dev))
return 0;
hba = dev->se_hba;
if (!(hba)) {
/* Log error ? */
return 0;
}
switch (dev->dev_status) {
case TRANSPORT_DEVICE_ACTIVATED:
strcpy(status, "activated");
break;
case TRANSPORT_DEVICE_DEACTIVATED:
strcpy(status, "deactivated");
non_accessible_lus = 1;
break;
case TRANSPORT_DEVICE_SHUTDOWN:
strcpy(status, "shutdown");
non_accessible_lus = 1;
break;
case TRANSPORT_DEVICE_OFFLINE_ACTIVATED:
case TRANSPORT_DEVICE_OFFLINE_DEACTIVATED:
strcpy(status, "offline");
non_accessible_lus = 1;
break;
default:
sprintf(status, "unknown(%d)", dev->dev_status);
non_accessible_lus = 1;
}
seq_printf(seq, "%u %u %u %s %u %u\n",
hba->hba_index, dev->dev_index, LU_COUNT,
status, non_accessible_lus, dev->num_resets);
return 0;
}
static const struct seq_operations scsi_tgt_dev_seq_ops = {
.start = scsi_tgt_dev_seq_start,
.next = scsi_tgt_dev_seq_next,
.stop = scsi_tgt_dev_seq_stop,
.show = scsi_tgt_dev_seq_show
};
static int scsi_tgt_dev_seq_open(struct inode *inode, struct file *file)
{
return seq_open(file, &scsi_tgt_dev_seq_ops);
}
static const struct file_operations scsi_tgt_dev_seq_fops = {
.owner = THIS_MODULE,
.open = scsi_tgt_dev_seq_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
/*
* SCSI Target Port Table
*/
static void *scsi_tgt_port_seq_start(struct seq_file *seq, loff_t *pos)
{
return locate_hba_start(seq, pos);
}
static void *scsi_tgt_port_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
return locate_hba_next(seq, v, pos);
}
static void scsi_tgt_port_seq_stop(struct seq_file *seq, void *v)
{
locate_hba_stop(seq, v);
}
static int scsi_tgt_port_seq_show(struct seq_file *seq, void *v)
{
struct se_hba *hba;
struct se_subsystem_dev *se_dev = list_entry(v, struct se_subsystem_dev,
g_se_dev_list);
struct se_device *dev = se_dev->se_dev_ptr;
struct se_port *sep, *sep_tmp;
struct se_portal_group *tpg;
u32 rx_mbytes, tx_mbytes;
unsigned long long num_cmds;
char buf[64];
if (list_is_first(&se_dev->g_se_dev_list, &se_global->g_se_dev_list))
seq_puts(seq, "inst device indx name port_index in_cmds"
" write_mbytes read_mbytes hs_in_cmds\n");
if (!(dev))
return 0;
hba = dev->se_hba;
if (!(hba)) {
/* Log error ? */
return 0;
}
spin_lock(&dev->se_port_lock);
list_for_each_entry_safe(sep, sep_tmp, &dev->dev_sep_list, sep_list) {
tpg = sep->sep_tpg;
sprintf(buf, "%sPort#",
TPG_TFO(tpg)->get_fabric_name());
seq_printf(seq, "%u %u %u %s%d %s%s%d ",
hba->hba_index,
dev->dev_index,
sep->sep_index,
buf, sep->sep_index,
TPG_TFO(tpg)->tpg_get_wwn(tpg), "+t+",
TPG_TFO(tpg)->tpg_get_tag(tpg));
spin_lock(&sep->sep_lun->lun_sep_lock);
num_cmds = sep->sep_stats.cmd_pdus;
rx_mbytes = (sep->sep_stats.rx_data_octets >> 20);
tx_mbytes = (sep->sep_stats.tx_data_octets >> 20);
spin_unlock(&sep->sep_lun->lun_sep_lock);
seq_printf(seq, "%llu %u %u %u\n", num_cmds,
rx_mbytes, tx_mbytes, 0);
}
spin_unlock(&dev->se_port_lock);
return 0;
}
static const struct seq_operations scsi_tgt_port_seq_ops = {
.start = scsi_tgt_port_seq_start,
.next = scsi_tgt_port_seq_next,
.stop = scsi_tgt_port_seq_stop,
.show = scsi_tgt_port_seq_show
};
static int scsi_tgt_port_seq_open(struct inode *inode, struct file *file)
{
return seq_open(file, &scsi_tgt_port_seq_ops);
}
static const struct file_operations scsi_tgt_port_seq_fops = {
.owner = THIS_MODULE,
.open = scsi_tgt_port_seq_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
/*
* SCSI Authorized Initiator Table:
* It contains the SCSI Initiators authorized to be attached to one of the
* local Target ports.
* Iterates through all active TPGs and extracts the info from the ACLs
*/
static void *scsi_auth_intr_seq_start(struct seq_file *seq, loff_t *pos)
{
spin_lock_bh(&se_global->se_tpg_lock);
return seq_list_start(&se_global->g_se_tpg_list, *pos);
}
static void *scsi_auth_intr_seq_next(struct seq_file *seq, void *v,
loff_t *pos)
{
return seq_list_next(v, &se_global->g_se_tpg_list, pos);
}
static void scsi_auth_intr_seq_stop(struct seq_file *seq, void *v)
{
spin_unlock_bh(&se_global->se_tpg_lock);
}
static int scsi_auth_intr_seq_show(struct seq_file *seq, void *v)
{
struct se_portal_group *se_tpg = list_entry(v, struct se_portal_group,
se_tpg_list);
struct se_dev_entry *deve;
struct se_lun *lun;
struct se_node_acl *se_nacl;
int j;
if (list_is_first(&se_tpg->se_tpg_list,
&se_global->g_se_tpg_list))
seq_puts(seq, "inst dev port indx dev_or_port intr_name "
"map_indx att_count num_cmds read_mbytes "
"write_mbytes hs_num_cmds creation_time row_status\n");
if (!(se_tpg))
return 0;
spin_lock(&se_tpg->acl_node_lock);
list_for_each_entry(se_nacl, &se_tpg->acl_node_list, acl_list) {
atomic_inc(&se_nacl->mib_ref_count);
smp_mb__after_atomic_inc();
spin_unlock(&se_tpg->acl_node_lock);
spin_lock_irq(&se_nacl->device_list_lock);
for (j = 0; j < TRANSPORT_MAX_LUNS_PER_TPG; j++) {
deve = &se_nacl->device_list[j];
if (!(deve->lun_flags &
TRANSPORT_LUNFLAGS_INITIATOR_ACCESS) ||
(!deve->se_lun))
continue;
lun = deve->se_lun;
if (!lun->lun_se_dev)
continue;
seq_printf(seq, "%u %u %u %u %u %s %u %u %u %u %u %u"
" %u %s\n",
/* scsiInstIndex */
(TPG_TFO(se_tpg)->tpg_get_inst_index != NULL) ?
TPG_TFO(se_tpg)->tpg_get_inst_index(se_tpg) :
0,
/* scsiDeviceIndex */
lun->lun_se_dev->dev_index,
/* scsiAuthIntrTgtPortIndex */
TPG_TFO(se_tpg)->tpg_get_tag(se_tpg),
/* scsiAuthIntrIndex */
se_nacl->acl_index,
/* scsiAuthIntrDevOrPort */
1,
/* scsiAuthIntrName */
se_nacl->initiatorname[0] ?
se_nacl->initiatorname : NONE,
/* FIXME: scsiAuthIntrLunMapIndex */
0,
/* scsiAuthIntrAttachedTimes */
deve->attach_count,
/* scsiAuthIntrOutCommands */
deve->total_cmds,
/* scsiAuthIntrReadMegaBytes */
(u32)(deve->read_bytes >> 20),
/* scsiAuthIntrWrittenMegaBytes */
(u32)(deve->write_bytes >> 20),
/* FIXME: scsiAuthIntrHSOutCommands */
0,
/* scsiAuthIntrLastCreation */
(u32)(((u32)deve->creation_time -
INITIAL_JIFFIES) * 100 / HZ),
/* FIXME: scsiAuthIntrRowStatus */
"Ready");
}
spin_unlock_irq(&se_nacl->device_list_lock);
spin_lock(&se_tpg->acl_node_lock);
atomic_dec(&se_nacl->mib_ref_count);
smp_mb__after_atomic_dec();
}
spin_unlock(&se_tpg->acl_node_lock);
return 0;
}
static const struct seq_operations scsi_auth_intr_seq_ops = {
.start = scsi_auth_intr_seq_start,
.next = scsi_auth_intr_seq_next,
.stop = scsi_auth_intr_seq_stop,
.show = scsi_auth_intr_seq_show
};
static int scsi_auth_intr_seq_open(struct inode *inode, struct file *file)
{
return seq_open(file, &scsi_auth_intr_seq_ops);
}
static const struct file_operations scsi_auth_intr_seq_fops = {
.owner = THIS_MODULE,
.open = scsi_auth_intr_seq_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
/*
* SCSI Attached Initiator Port Table:
* It lists the SCSI Initiators attached to one of the local Target ports.
* Iterates through all active TPGs and use active sessions from each TPG
* to list the info fo this table.
*/
static void *scsi_att_intr_port_seq_start(struct seq_file *seq, loff_t *pos)
{
spin_lock_bh(&se_global->se_tpg_lock);
return seq_list_start(&se_global->g_se_tpg_list, *pos);
}
static void *scsi_att_intr_port_seq_next(struct seq_file *seq, void *v,
loff_t *pos)
{
return seq_list_next(v, &se_global->g_se_tpg_list, pos);
}
static void scsi_att_intr_port_seq_stop(struct seq_file *seq, void *v)
{
spin_unlock_bh(&se_global->se_tpg_lock);
}
static int scsi_att_intr_port_seq_show(struct seq_file *seq, void *v)
{
struct se_portal_group *se_tpg = list_entry(v, struct se_portal_group,
se_tpg_list);
struct se_dev_entry *deve;
struct se_lun *lun;
struct se_node_acl *se_nacl;
struct se_session *se_sess;
unsigned char buf[64];
int j;
if (list_is_first(&se_tpg->se_tpg_list,
&se_global->g_se_tpg_list))
seq_puts(seq, "inst dev port indx port_auth_indx port_name"
" port_ident\n");
if (!(se_tpg))
return 0;
spin_lock(&se_tpg->session_lock);
list_for_each_entry(se_sess, &se_tpg->tpg_sess_list, sess_list) {
if ((TPG_TFO(se_tpg)->sess_logged_in(se_sess)) ||
(!se_sess->se_node_acl) ||
(!se_sess->se_node_acl->device_list))
continue;
atomic_inc(&se_sess->mib_ref_count);
smp_mb__after_atomic_inc();
se_nacl = se_sess->se_node_acl;
atomic_inc(&se_nacl->mib_ref_count);
smp_mb__after_atomic_inc();
spin_unlock(&se_tpg->session_lock);
spin_lock_irq(&se_nacl->device_list_lock);
for (j = 0; j < TRANSPORT_MAX_LUNS_PER_TPG; j++) {
deve = &se_nacl->device_list[j];
if (!(deve->lun_flags &
TRANSPORT_LUNFLAGS_INITIATOR_ACCESS) ||
(!deve->se_lun))
continue;
lun = deve->se_lun;
if (!lun->lun_se_dev)
continue;
memset(buf, 0, 64);
if (TPG_TFO(se_tpg)->sess_get_initiator_sid != NULL)
TPG_TFO(se_tpg)->sess_get_initiator_sid(
se_sess, (unsigned char *)&buf[0], 64);
seq_printf(seq, "%u %u %u %u %u %s+i+%s\n",
/* scsiInstIndex */
(TPG_TFO(se_tpg)->tpg_get_inst_index != NULL) ?
TPG_TFO(se_tpg)->tpg_get_inst_index(se_tpg) :
0,
/* scsiDeviceIndex */
lun->lun_se_dev->dev_index,
/* scsiPortIndex */
TPG_TFO(se_tpg)->tpg_get_tag(se_tpg),
/* scsiAttIntrPortIndex */
(TPG_TFO(se_tpg)->sess_get_index != NULL) ?
TPG_TFO(se_tpg)->sess_get_index(se_sess) :
0,
/* scsiAttIntrPortAuthIntrIdx */
se_nacl->acl_index,
/* scsiAttIntrPortName */
se_nacl->initiatorname[0] ?
se_nacl->initiatorname : NONE,
/* scsiAttIntrPortIdentifier */
buf);
}
spin_unlock_irq(&se_nacl->device_list_lock);
spin_lock(&se_tpg->session_lock);
atomic_dec(&se_nacl->mib_ref_count);
smp_mb__after_atomic_dec();
atomic_dec(&se_sess->mib_ref_count);
smp_mb__after_atomic_dec();
}
spin_unlock(&se_tpg->session_lock);
return 0;
}
static const struct seq_operations scsi_att_intr_port_seq_ops = {
.start = scsi_att_intr_port_seq_start,
.next = scsi_att_intr_port_seq_next,
.stop = scsi_att_intr_port_seq_stop,
.show = scsi_att_intr_port_seq_show
};
static int scsi_att_intr_port_seq_open(struct inode *inode, struct file *file)
{
return seq_open(file, &scsi_att_intr_port_seq_ops);
}
static const struct file_operations scsi_att_intr_port_seq_fops = {
.owner = THIS_MODULE,
.open = scsi_att_intr_port_seq_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
/*
* SCSI Logical Unit Table
*/
static void *scsi_lu_seq_start(struct seq_file *seq, loff_t *pos)
{
return locate_hba_start(seq, pos);
}
static void *scsi_lu_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
return locate_hba_next(seq, v, pos);
}
static void scsi_lu_seq_stop(struct seq_file *seq, void *v)
{
locate_hba_stop(seq, v);
}
#define SCSI_LU_INDEX 1
static int scsi_lu_seq_show(struct seq_file *seq, void *v)
{
struct se_hba *hba;
struct se_subsystem_dev *se_dev = list_entry(v, struct se_subsystem_dev,
g_se_dev_list);
struct se_device *dev = se_dev->se_dev_ptr;
int j;
char str[28];
if (list_is_first(&se_dev->g_se_dev_list, &se_global->g_se_dev_list))
seq_puts(seq, "inst dev indx LUN lu_name vend prod rev"
" dev_type status state-bit num_cmds read_mbytes"
" write_mbytes resets full_stat hs_num_cmds creation_time\n");
if (!(dev))
return 0;
hba = dev->se_hba;
if (!(hba)) {
/* Log error ? */
return 0;
}
/* Fix LU state, if we can read it from the device */
seq_printf(seq, "%u %u %u %llu %s", hba->hba_index,
dev->dev_index, SCSI_LU_INDEX,
(unsigned long long)0, /* FIXME: scsiLuDefaultLun */
(strlen(DEV_T10_WWN(dev)->unit_serial)) ?
/* scsiLuWwnName */
(char *)&DEV_T10_WWN(dev)->unit_serial[0] :
"None");
memcpy(&str[0], (void *)DEV_T10_WWN(dev), 28);
/* scsiLuVendorId */
for (j = 0; j < 8; j++)
str[j] = ISPRINT(DEV_T10_WWN(dev)->vendor[j]) ?
DEV_T10_WWN(dev)->vendor[j] : 0x20;
str[8] = 0;
seq_printf(seq, " %s", str);
/* scsiLuProductId */
for (j = 0; j < 16; j++)
str[j] = ISPRINT(DEV_T10_WWN(dev)->model[j]) ?
DEV_T10_WWN(dev)->model[j] : 0x20;
str[16] = 0;
seq_printf(seq, " %s", str);
/* scsiLuRevisionId */
for (j = 0; j < 4; j++)
str[j] = ISPRINT(DEV_T10_WWN(dev)->revision[j]) ?
DEV_T10_WWN(dev)->revision[j] : 0x20;
str[4] = 0;
seq_printf(seq, " %s", str);
seq_printf(seq, " %u %s %s %llu %u %u %u %u %u %u\n",
/* scsiLuPeripheralType */
TRANSPORT(dev)->get_device_type(dev),
(dev->dev_status == TRANSPORT_DEVICE_ACTIVATED) ?
"available" : "notavailable", /* scsiLuStatus */
"exposed", /* scsiLuState */
(unsigned long long)dev->num_cmds,
/* scsiLuReadMegaBytes */
(u32)(dev->read_bytes >> 20),
/* scsiLuWrittenMegaBytes */
(u32)(dev->write_bytes >> 20),
dev->num_resets, /* scsiLuInResets */
0, /* scsiLuOutTaskSetFullStatus */
0, /* scsiLuHSInCommands */
(u32)(((u32)dev->creation_time - INITIAL_JIFFIES) *
100 / HZ));
return 0;
}
static const struct seq_operations scsi_lu_seq_ops = {
.start = scsi_lu_seq_start,
.next = scsi_lu_seq_next,
.stop = scsi_lu_seq_stop,
.show = scsi_lu_seq_show
};
static int scsi_lu_seq_open(struct inode *inode, struct file *file)
{
return seq_open(file, &scsi_lu_seq_ops);
}
static const struct file_operations scsi_lu_seq_fops = {
.owner = THIS_MODULE,
.open = scsi_lu_seq_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
/****************************************************************************/
/*
* Remove proc fs entries
*/
void remove_scsi_target_mib(void)
{
remove_proc_entry("scsi_target/mib/scsi_inst", NULL);
remove_proc_entry("scsi_target/mib/scsi_dev", NULL);
remove_proc_entry("scsi_target/mib/scsi_port", NULL);
remove_proc_entry("scsi_target/mib/scsi_transport", NULL);
remove_proc_entry("scsi_target/mib/scsi_tgt_dev", NULL);
remove_proc_entry("scsi_target/mib/scsi_tgt_port", NULL);
remove_proc_entry("scsi_target/mib/scsi_auth_intr", NULL);
remove_proc_entry("scsi_target/mib/scsi_att_intr_port", NULL);
remove_proc_entry("scsi_target/mib/scsi_lu", NULL);
remove_proc_entry("scsi_target/mib", NULL);
}
/*
* Create proc fs entries for the mib tables
*/
int init_scsi_target_mib(void)
{
struct proc_dir_entry *dir_entry;
struct proc_dir_entry *scsi_inst_entry;
struct proc_dir_entry *scsi_dev_entry;
struct proc_dir_entry *scsi_port_entry;
struct proc_dir_entry *scsi_transport_entry;
struct proc_dir_entry *scsi_tgt_dev_entry;
struct proc_dir_entry *scsi_tgt_port_entry;
struct proc_dir_entry *scsi_auth_intr_entry;
struct proc_dir_entry *scsi_att_intr_port_entry;
struct proc_dir_entry *scsi_lu_entry;
dir_entry = proc_mkdir("scsi_target/mib", NULL);
if (!(dir_entry)) {
printk(KERN_ERR "proc_mkdir() failed.\n");
return -1;
}
scsi_inst_entry =
create_proc_entry("scsi_target/mib/scsi_inst", 0, NULL);
if (scsi_inst_entry)
scsi_inst_entry->proc_fops = &scsi_inst_seq_fops;
else
goto error;
scsi_dev_entry =
create_proc_entry("scsi_target/mib/scsi_dev", 0, NULL);
if (scsi_dev_entry)
scsi_dev_entry->proc_fops = &scsi_dev_seq_fops;
else
goto error;
scsi_port_entry =
create_proc_entry("scsi_target/mib/scsi_port", 0, NULL);
if (scsi_port_entry)
scsi_port_entry->proc_fops = &scsi_port_seq_fops;
else
goto error;
scsi_transport_entry =
create_proc_entry("scsi_target/mib/scsi_transport", 0, NULL);
if (scsi_transport_entry)
scsi_transport_entry->proc_fops = &scsi_transport_seq_fops;
else
goto error;
scsi_tgt_dev_entry =
create_proc_entry("scsi_target/mib/scsi_tgt_dev", 0, NULL);
if (scsi_tgt_dev_entry)
scsi_tgt_dev_entry->proc_fops = &scsi_tgt_dev_seq_fops;
else
goto error;
scsi_tgt_port_entry =
create_proc_entry("scsi_target/mib/scsi_tgt_port", 0, NULL);
if (scsi_tgt_port_entry)
scsi_tgt_port_entry->proc_fops = &scsi_tgt_port_seq_fops;
else
goto error;
scsi_auth_intr_entry =
create_proc_entry("scsi_target/mib/scsi_auth_intr", 0, NULL);
if (scsi_auth_intr_entry)
scsi_auth_intr_entry->proc_fops = &scsi_auth_intr_seq_fops;
else
goto error;
scsi_att_intr_port_entry =
create_proc_entry("scsi_target/mib/scsi_att_intr_port", 0, NULL);
if (scsi_att_intr_port_entry)
scsi_att_intr_port_entry->proc_fops =
&scsi_att_intr_port_seq_fops;
else
goto error;
scsi_lu_entry = create_proc_entry("scsi_target/mib/scsi_lu", 0, NULL);
if (scsi_lu_entry)
scsi_lu_entry->proc_fops = &scsi_lu_seq_fops;
else
goto error;
return 0;
error:
printk(KERN_ERR "create_proc_entry() failed.\n");
remove_scsi_target_mib();
return -1;
}
/*
* Initialize the index table for allocating unique row indexes to various mib
* tables
*/
void init_scsi_index_table(void)
{
memset(&scsi_index_table, 0, sizeof(struct scsi_index_table));
spin_lock_init(&scsi_index_table.lock);
}
/*
* Allocate a new row index for the entry type specified
*/
u32 scsi_get_new_index(scsi_index_t type)
{
u32 new_index;
if ((type < 0) || (type >= SCSI_INDEX_TYPE_MAX)) {
printk(KERN_ERR "Invalid index type %d\n", type);
return -1;
}
spin_lock(&scsi_index_table.lock);
new_index = ++scsi_index_table.scsi_mib_index[type];
if (new_index == 0)
new_index = ++scsi_index_table.scsi_mib_index[type];
spin_unlock(&scsi_index_table.lock);
return new_index;
}
EXPORT_SYMBOL(scsi_get_new_index);
#ifndef TARGET_CORE_MIB_H
#define TARGET_CORE_MIB_H
typedef enum {
SCSI_INST_INDEX,
SCSI_DEVICE_INDEX,
SCSI_AUTH_INTR_INDEX,
SCSI_INDEX_TYPE_MAX
} scsi_index_t;
struct scsi_index_table {
spinlock_t lock;
u32 scsi_mib_index[SCSI_INDEX_TYPE_MAX];
} ____cacheline_aligned;
/* SCSI Port stats */
struct scsi_port_stats {
u64 cmd_pdus;
u64 tx_data_octets;
u64 rx_data_octets;
} ____cacheline_aligned;
extern int init_scsi_target_mib(void);
extern void remove_scsi_target_mib(void);
extern void init_scsi_index_table(void);
extern u32 scsi_get_new_index(scsi_index_t);
#endif /*** TARGET_CORE_MIB_H ***/
......@@ -462,8 +462,8 @@ static struct se_device *pscsi_create_type_disk(
*/
bd = blkdev_get_by_path(se_dev->se_dev_udev_path,
FMODE_WRITE|FMODE_READ|FMODE_EXCL, pdv);
if (!(bd)) {
printk("pSCSI: blkdev_get_by_path() failed\n");
if (IS_ERR(bd)) {
printk(KERN_ERR "pSCSI: blkdev_get_by_path() failed\n");
scsi_device_put(sd);
return NULL;
}
......
......@@ -275,7 +275,6 @@ struct se_node_acl *core_tpg_check_initiator_node_acl(
spin_lock_init(&acl->device_list_lock);
spin_lock_init(&acl->nacl_sess_lock);
atomic_set(&acl->acl_pr_ref_count, 0);
atomic_set(&acl->mib_ref_count, 0);
acl->queue_depth = TPG_TFO(tpg)->tpg_get_default_depth(tpg);
snprintf(acl->initiatorname, TRANSPORT_IQN_LEN, "%s", initiatorname);
acl->se_tpg = tpg;
......@@ -318,12 +317,6 @@ void core_tpg_wait_for_nacl_pr_ref(struct se_node_acl *nacl)
cpu_relax();
}
void core_tpg_wait_for_mib_ref(struct se_node_acl *nacl)
{
while (atomic_read(&nacl->mib_ref_count) != 0)
cpu_relax();
}
void core_tpg_clear_object_luns(struct se_portal_group *tpg)
{
int i, ret;
......@@ -480,7 +473,6 @@ int core_tpg_del_initiator_node_acl(
spin_unlock_bh(&tpg->session_lock);
core_tpg_wait_for_nacl_pr_ref(acl);
core_tpg_wait_for_mib_ref(acl);
core_clear_initiator_node_from_tpg(acl, tpg);
core_free_device_list_for_node(acl, tpg);
......@@ -701,6 +693,8 @@ EXPORT_SYMBOL(core_tpg_register);
int core_tpg_deregister(struct se_portal_group *se_tpg)
{
struct se_node_acl *nacl, *nacl_tmp;
printk(KERN_INFO "TARGET_CORE[%s]: Deallocating %s struct se_portal_group"
" for endpoint: %s Portal Tag %u\n",
(se_tpg->se_tpg_type == TRANSPORT_TPG_TYPE_NORMAL) ?
......@@ -714,6 +708,25 @@ int core_tpg_deregister(struct se_portal_group *se_tpg)
while (atomic_read(&se_tpg->tpg_pr_ref_count) != 0)
cpu_relax();
/*
* Release any remaining demo-mode generated se_node_acl that have
* not been released because of TFO->tpg_check_demo_mode_cache() == 1
* in transport_deregister_session().
*/
spin_lock_bh(&se_tpg->acl_node_lock);
list_for_each_entry_safe(nacl, nacl_tmp, &se_tpg->acl_node_list,
acl_list) {
list_del(&nacl->acl_list);
se_tpg->num_node_acls--;
spin_unlock_bh(&se_tpg->acl_node_lock);
core_tpg_wait_for_nacl_pr_ref(nacl);
core_free_device_list_for_node(nacl, se_tpg);
TPG_TFO(se_tpg)->tpg_release_fabric_acl(se_tpg, nacl);
spin_lock_bh(&se_tpg->acl_node_lock);
}
spin_unlock_bh(&se_tpg->acl_node_lock);
if (se_tpg->se_tpg_type == TRANSPORT_TPG_TYPE_NORMAL)
core_tpg_release_virtual_lun0(se_tpg);
......
......@@ -379,6 +379,40 @@ void release_se_global(void)
se_global = NULL;
}
/* SCSI statistics table index */
static struct scsi_index_table scsi_index_table;
/*
* Initialize the index table for allocating unique row indexes to various mib
* tables.
*/
void init_scsi_index_table(void)
{
memset(&scsi_index_table, 0, sizeof(struct scsi_index_table));
spin_lock_init(&scsi_index_table.lock);
}
/*
* Allocate a new row index for the entry type specified
*/
u32 scsi_get_new_index(scsi_index_t type)
{
u32 new_index;
if ((type < 0) || (type >= SCSI_INDEX_TYPE_MAX)) {
printk(KERN_ERR "Invalid index type %d\n", type);
return -EINVAL;
}
spin_lock(&scsi_index_table.lock);
new_index = ++scsi_index_table.scsi_mib_index[type];
if (new_index == 0)
new_index = ++scsi_index_table.scsi_mib_index[type];
spin_unlock(&scsi_index_table.lock);
return new_index;
}
void transport_init_queue_obj(struct se_queue_obj *qobj)
{
atomic_set(&qobj->queue_cnt, 0);
......@@ -437,7 +471,6 @@ struct se_session *transport_init_session(void)
}
INIT_LIST_HEAD(&se_sess->sess_list);
INIT_LIST_HEAD(&se_sess->sess_acl_list);
atomic_set(&se_sess->mib_ref_count, 0);
return se_sess;
}
......@@ -546,12 +579,6 @@ void transport_deregister_session(struct se_session *se_sess)
transport_free_session(se_sess);
return;
}
/*
* Wait for possible reference in drivers/target/target_core_mib.c:
* scsi_att_intr_port_seq_show()
*/
while (atomic_read(&se_sess->mib_ref_count) != 0)
cpu_relax();
spin_lock_bh(&se_tpg->session_lock);
list_del(&se_sess->sess_list);
......@@ -574,7 +601,6 @@ void transport_deregister_session(struct se_session *se_sess)
spin_unlock_bh(&se_tpg->acl_node_lock);
core_tpg_wait_for_nacl_pr_ref(se_nacl);
core_tpg_wait_for_mib_ref(se_nacl);
core_free_device_list_for_node(se_nacl, se_tpg);
TPG_TFO(se_tpg)->tpg_release_fabric_acl(se_tpg,
se_nacl);
......@@ -4827,6 +4853,8 @@ static int transport_do_se_mem_map(
return ret;
}
BUG_ON(list_empty(se_mem_list));
/*
* This is the normal path for all normal non BIDI and BIDI-COMMAND
* WRITE payloads.. If we need to do BIDI READ passthrough for
......@@ -5008,7 +5036,9 @@ transport_map_control_cmd_to_task(struct se_cmd *cmd)
struct se_mem *se_mem = NULL, *se_mem_lout = NULL;
u32 se_mem_cnt = 0, task_offset = 0;
BUG_ON(list_empty(cmd->t_task->t_mem_list));
if (!list_empty(T_TASK(cmd)->t_mem_list))
se_mem = list_entry(T_TASK(cmd)->t_mem_list->next,
struct se_mem, se_list);
ret = transport_do_se_mem_map(dev, task,
cmd->t_task->t_mem_list, NULL, se_mem,
......
......@@ -8,7 +8,6 @@
#include <scsi/scsi_cmnd.h>
#include <net/sock.h>
#include <net/tcp.h>
#include "target_core_mib.h"
#define TARGET_CORE_MOD_VERSION "v4.0.0-rc6"
#define SHUTDOWN_SIGS (sigmask(SIGKILL)|sigmask(SIGINT)|sigmask(SIGABRT))
......@@ -195,6 +194,21 @@ typedef enum {
SAM_TASK_ATTR_EMULATED
} t10_task_attr_index_t;
/*
* Used for target SCSI statistics
*/
typedef enum {
SCSI_INST_INDEX,
SCSI_DEVICE_INDEX,
SCSI_AUTH_INTR_INDEX,
SCSI_INDEX_TYPE_MAX
} scsi_index_t;
struct scsi_index_table {
spinlock_t lock;
u32 scsi_mib_index[SCSI_INDEX_TYPE_MAX];
} ____cacheline_aligned;
struct se_cmd;
struct t10_alua {
......@@ -578,8 +592,6 @@ struct se_node_acl {
spinlock_t stats_lock;
/* Used for PR SPEC_I_PT=1 and REGISTER_AND_MOVE */
atomic_t acl_pr_ref_count;
/* Used for MIB access */
atomic_t mib_ref_count;
struct se_dev_entry *device_list;
struct se_session *nacl_sess;
struct se_portal_group *se_tpg;
......@@ -595,8 +607,6 @@ struct se_node_acl {
} ____cacheline_aligned;
struct se_session {
/* Used for MIB access */
atomic_t mib_ref_count;
u64 sess_bin_isid;
struct se_node_acl *se_node_acl;
struct se_portal_group *se_tpg;
......@@ -806,7 +816,6 @@ struct se_hba {
/* Virtual iSCSI devices attached. */
u32 dev_count;
u32 hba_index;
atomic_t dev_mib_access_count;
atomic_t load_balance_queue;
atomic_t left_queue_depth;
/* Maximum queue depth the HBA can handle. */
......@@ -845,6 +854,12 @@ struct se_lun {
#define SE_LUN(c) ((struct se_lun *)(c)->se_lun)
struct scsi_port_stats {
u64 cmd_pdus;
u64 tx_data_octets;
u64 rx_data_octets;
} ____cacheline_aligned;
struct se_port {
/* RELATIVE TARGET PORT IDENTIFER */
u16 sep_rtpi;
......@@ -867,6 +882,7 @@ struct se_port {
} ____cacheline_aligned;
struct se_tpg_np {
struct se_portal_group *tpg_np_parent;
struct config_group tpg_np_group;
} ____cacheline_aligned;
......
......@@ -111,6 +111,8 @@ struct se_subsystem_api;
extern int init_se_global(void);
extern void release_se_global(void);
extern void init_scsi_index_table(void);
extern u32 scsi_get_new_index(scsi_index_t);
extern void transport_init_queue_obj(struct se_queue_obj *);
extern int transport_subsystem_check_init(void);
extern int transport_subsystem_register(struct se_subsystem_api *);
......
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