Simplify the code a lot by killing the superflous struct se_subsystem_dev.
Instead se_device is allocated early on by the backend driver, which allocates
it as part of its own per-device structure, borrowing the scheme that is for
example used for inode allocation.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
struct se_hba_s *se_hba;
struct se_lun *tl_hba_lun;
struct se_port *tl_hba_lun_sep;
- struct se_device_s *se_dev_hba_ptr;
struct tcm_loop_nexus *tl_nexus;
struct device dev;
struct Scsi_Host *sh;
*/
int target_emulate_report_target_port_groups(struct se_cmd *cmd)
{
- struct se_subsystem_dev *su_dev = cmd->se_dev->se_sub_dev;
+ struct se_device *dev = cmd->se_dev;
struct se_port *port;
struct t10_alua_tg_pt_gp *tg_pt_gp;
struct t10_alua_tg_pt_gp_member *tg_pt_gp_mem;
}
buf = transport_kmap_data_sg(cmd);
- spin_lock(&su_dev->t10_alua.tg_pt_gps_lock);
- list_for_each_entry(tg_pt_gp, &su_dev->t10_alua.tg_pt_gps_list,
+ spin_lock(&dev->t10_alua.tg_pt_gps_lock);
+ list_for_each_entry(tg_pt_gp, &dev->t10_alua.tg_pt_gps_list,
tg_pt_gp_list) {
/*
* Check if the Target port group and Target port descriptor list
}
spin_unlock(&tg_pt_gp->tg_pt_gp_lock);
}
- spin_unlock(&su_dev->t10_alua.tg_pt_gps_lock);
+ spin_unlock(&dev->t10_alua.tg_pt_gps_lock);
/*
* Set the RETURN DATA LENGTH set in the header of the DataIN Payload
*/
int target_emulate_set_target_port_groups(struct se_cmd *cmd)
{
struct se_device *dev = cmd->se_dev;
- struct se_subsystem_dev *su_dev = dev->se_sub_dev;
struct se_port *port, *l_port = cmd->se_lun->lun_sep;
struct se_node_acl *nacl = cmd->se_sess->se_node_acl;
struct t10_alua_tg_pt_gp *tg_pt_gp = NULL, *l_tg_pt_gp;
* Locate the matching target port group ID from
* the global tg_pt_gp list
*/
- spin_lock(&su_dev->t10_alua.tg_pt_gps_lock);
+ spin_lock(&dev->t10_alua.tg_pt_gps_lock);
list_for_each_entry(tg_pt_gp,
- &su_dev->t10_alua.tg_pt_gps_list,
+ &dev->t10_alua.tg_pt_gps_list,
tg_pt_gp_list) {
if (!tg_pt_gp->tg_pt_gp_valid_id)
continue;
atomic_inc(&tg_pt_gp->tg_pt_gp_ref_cnt);
smp_mb__after_atomic_inc();
- spin_unlock(&su_dev->t10_alua.tg_pt_gps_lock);
+ spin_unlock(&dev->t10_alua.tg_pt_gps_lock);
rc = core_alua_do_port_transition(tg_pt_gp,
dev, l_port, nacl,
alua_access_state, 1);
- spin_lock(&su_dev->t10_alua.tg_pt_gps_lock);
+ spin_lock(&dev->t10_alua.tg_pt_gps_lock);
atomic_dec(&tg_pt_gp->tg_pt_gp_ref_cnt);
smp_mb__after_atomic_dec();
break;
}
- spin_unlock(&su_dev->t10_alua.tg_pt_gps_lock);
+ spin_unlock(&dev->t10_alua.tg_pt_gps_lock);
/*
* If not matching target port group ID can be located
* throw an exception with ASCQ: INVALID_PARAMETER_LIST
int primary_state,
unsigned char *md_buf)
{
- struct se_subsystem_dev *su_dev = tg_pt_gp->tg_pt_gp_su_dev;
- struct t10_wwn *wwn = &su_dev->t10_wwn;
+ struct t10_wwn *wwn = &tg_pt_gp->tg_pt_gp_dev->t10_wwn;
char path[ALUA_METADATA_PATH_LEN];
int len;
{
struct se_device *dev;
struct se_port *port;
- struct se_subsystem_dev *su_dev;
struct se_node_acl *nacl;
struct t10_alua_lu_gp *lu_gp;
struct t10_alua_lu_gp_member *lu_gp_mem, *local_lu_gp_mem;
lu_gp_mem_list) {
dev = lu_gp_mem->lu_gp_mem_dev;
- su_dev = dev->se_sub_dev;
atomic_inc(&lu_gp_mem->lu_gp_mem_ref_cnt);
smp_mb__after_atomic_inc();
spin_unlock(&lu_gp->lu_gp_lock);
- spin_lock(&su_dev->t10_alua.tg_pt_gps_lock);
+ spin_lock(&dev->t10_alua.tg_pt_gps_lock);
list_for_each_entry(tg_pt_gp,
- &su_dev->t10_alua.tg_pt_gps_list,
+ &dev->t10_alua.tg_pt_gps_list,
tg_pt_gp_list) {
if (!tg_pt_gp->tg_pt_gp_valid_id)
}
atomic_inc(&tg_pt_gp->tg_pt_gp_ref_cnt);
smp_mb__after_atomic_inc();
- spin_unlock(&su_dev->t10_alua.tg_pt_gps_lock);
+ spin_unlock(&dev->t10_alua.tg_pt_gps_lock);
/*
* core_alua_do_transition_tg_pt() will always return
* success.
core_alua_do_transition_tg_pt(tg_pt_gp, port,
nacl, md_buf, new_state, explict);
- spin_lock(&su_dev->t10_alua.tg_pt_gps_lock);
+ spin_lock(&dev->t10_alua.tg_pt_gps_lock);
atomic_dec(&tg_pt_gp->tg_pt_gp_ref_cnt);
smp_mb__after_atomic_dec();
}
- spin_unlock(&su_dev->t10_alua.tg_pt_gps_lock);
+ spin_unlock(&dev->t10_alua.tg_pt_gps_lock);
spin_lock(&lu_gp->lu_gp_lock);
atomic_dec(&lu_gp_mem->lu_gp_mem_ref_cnt);
void core_alua_free_lu_gp_mem(struct se_device *dev)
{
- struct se_subsystem_dev *su_dev = dev->se_sub_dev;
- struct t10_alua *alua = &su_dev->t10_alua;
+ struct t10_alua *alua = &dev->t10_alua;
struct t10_alua_lu_gp *lu_gp;
struct t10_alua_lu_gp_member *lu_gp_mem;
spin_unlock(&lu_gp->lu_gp_lock);
}
-struct t10_alua_tg_pt_gp *core_alua_allocate_tg_pt_gp(
- struct se_subsystem_dev *su_dev,
- const char *name,
- int def_group)
+struct t10_alua_tg_pt_gp *core_alua_allocate_tg_pt_gp(struct se_device *dev,
+ const char *name, int def_group)
{
struct t10_alua_tg_pt_gp *tg_pt_gp;
mutex_init(&tg_pt_gp->tg_pt_gp_md_mutex);
spin_lock_init(&tg_pt_gp->tg_pt_gp_lock);
atomic_set(&tg_pt_gp->tg_pt_gp_ref_cnt, 0);
- tg_pt_gp->tg_pt_gp_su_dev = su_dev;
+ tg_pt_gp->tg_pt_gp_dev = dev;
tg_pt_gp->tg_pt_gp_md_buf_len = ALUA_MD_BUF_LEN;
atomic_set(&tg_pt_gp->tg_pt_gp_alua_access_state,
ALUA_ACCESS_STATE_ACTIVE_OPTMIZED);
tg_pt_gp->tg_pt_gp_implict_trans_secs = ALUA_DEFAULT_IMPLICT_TRANS_SECS;
if (def_group) {
- spin_lock(&su_dev->t10_alua.tg_pt_gps_lock);
+ spin_lock(&dev->t10_alua.tg_pt_gps_lock);
tg_pt_gp->tg_pt_gp_id =
- su_dev->t10_alua.alua_tg_pt_gps_counter++;
+ dev->t10_alua.alua_tg_pt_gps_counter++;
tg_pt_gp->tg_pt_gp_valid_id = 1;
- su_dev->t10_alua.alua_tg_pt_gps_count++;
+ dev->t10_alua.alua_tg_pt_gps_count++;
list_add_tail(&tg_pt_gp->tg_pt_gp_list,
- &su_dev->t10_alua.tg_pt_gps_list);
- spin_unlock(&su_dev->t10_alua.tg_pt_gps_lock);
+ &dev->t10_alua.tg_pt_gps_list);
+ spin_unlock(&dev->t10_alua.tg_pt_gps_lock);
}
return tg_pt_gp;
struct t10_alua_tg_pt_gp *tg_pt_gp,
u16 tg_pt_gp_id)
{
- struct se_subsystem_dev *su_dev = tg_pt_gp->tg_pt_gp_su_dev;
+ struct se_device *dev = tg_pt_gp->tg_pt_gp_dev;
struct t10_alua_tg_pt_gp *tg_pt_gp_tmp;
u16 tg_pt_gp_id_tmp;
+
/*
* The tg_pt_gp->tg_pt_gp_id may only be set once..
*/
return -EINVAL;
}
- spin_lock(&su_dev->t10_alua.tg_pt_gps_lock);
- if (su_dev->t10_alua.alua_tg_pt_gps_count == 0x0000ffff) {
+ spin_lock(&dev->t10_alua.tg_pt_gps_lock);
+ if (dev->t10_alua.alua_tg_pt_gps_count == 0x0000ffff) {
pr_err("Maximum ALUA alua_tg_pt_gps_count:"
" 0x0000ffff reached\n");
- spin_unlock(&su_dev->t10_alua.tg_pt_gps_lock);
+ spin_unlock(&dev->t10_alua.tg_pt_gps_lock);
kmem_cache_free(t10_alua_tg_pt_gp_cache, tg_pt_gp);
return -ENOSPC;
}
again:
tg_pt_gp_id_tmp = (tg_pt_gp_id != 0) ? tg_pt_gp_id :
- su_dev->t10_alua.alua_tg_pt_gps_counter++;
+ dev->t10_alua.alua_tg_pt_gps_counter++;
- list_for_each_entry(tg_pt_gp_tmp, &su_dev->t10_alua.tg_pt_gps_list,
+ list_for_each_entry(tg_pt_gp_tmp, &dev->t10_alua.tg_pt_gps_list,
tg_pt_gp_list) {
if (tg_pt_gp_tmp->tg_pt_gp_id == tg_pt_gp_id_tmp) {
if (!tg_pt_gp_id)
pr_err("ALUA Target Port Group ID: %hu already"
" exists, ignoring request\n", tg_pt_gp_id);
- spin_unlock(&su_dev->t10_alua.tg_pt_gps_lock);
+ spin_unlock(&dev->t10_alua.tg_pt_gps_lock);
return -EINVAL;
}
}
tg_pt_gp->tg_pt_gp_id = tg_pt_gp_id_tmp;
tg_pt_gp->tg_pt_gp_valid_id = 1;
list_add_tail(&tg_pt_gp->tg_pt_gp_list,
- &su_dev->t10_alua.tg_pt_gps_list);
- su_dev->t10_alua.alua_tg_pt_gps_count++;
- spin_unlock(&su_dev->t10_alua.tg_pt_gps_lock);
+ &dev->t10_alua.tg_pt_gps_list);
+ dev->t10_alua.alua_tg_pt_gps_count++;
+ spin_unlock(&dev->t10_alua.tg_pt_gps_lock);
return 0;
}
void core_alua_free_tg_pt_gp(
struct t10_alua_tg_pt_gp *tg_pt_gp)
{
- struct se_subsystem_dev *su_dev = tg_pt_gp->tg_pt_gp_su_dev;
+ struct se_device *dev = tg_pt_gp->tg_pt_gp_dev;
struct t10_alua_tg_pt_gp_member *tg_pt_gp_mem, *tg_pt_gp_mem_tmp;
+
/*
* Once we have reached this point, config_item_put() has already
* been called from target_core_alua_drop_tg_pt_gp().
* no assications *OR* explict ALUA via SET_TARGET_PORT_GROUPS
* can be made while we are releasing struct t10_alua_tg_pt_gp.
*/
- spin_lock(&su_dev->t10_alua.tg_pt_gps_lock);
+ spin_lock(&dev->t10_alua.tg_pt_gps_lock);
list_del(&tg_pt_gp->tg_pt_gp_list);
- su_dev->t10_alua.alua_tg_pt_gps_counter--;
- spin_unlock(&su_dev->t10_alua.tg_pt_gps_lock);
+ dev->t10_alua.alua_tg_pt_gps_counter--;
+ spin_unlock(&dev->t10_alua.tg_pt_gps_lock);
+
/*
* Allow a struct t10_alua_tg_pt_gp_member * referenced by
* core_alua_get_tg_pt_gp_by_name() in
*/
while (atomic_read(&tg_pt_gp->tg_pt_gp_ref_cnt))
cpu_relax();
+
/*
* Release reference to struct t10_alua_tg_pt_gp from all associated
* struct se_port.
* default_tg_pt_gp.
*/
spin_lock(&tg_pt_gp_mem->tg_pt_gp_mem_lock);
- if (tg_pt_gp != su_dev->t10_alua.default_tg_pt_gp) {
+ if (tg_pt_gp != dev->t10_alua.default_tg_pt_gp) {
__core_alua_attach_tg_pt_gp_mem(tg_pt_gp_mem,
- su_dev->t10_alua.default_tg_pt_gp);
+ dev->t10_alua.default_tg_pt_gp);
} else
tg_pt_gp_mem->tg_pt_gp = NULL;
spin_unlock(&tg_pt_gp_mem->tg_pt_gp_mem_lock);
void core_alua_free_tg_pt_gp_mem(struct se_port *port)
{
- struct se_subsystem_dev *su_dev = port->sep_lun->lun_se_dev->se_sub_dev;
- struct t10_alua *alua = &su_dev->t10_alua;
+ struct t10_alua *alua = &port->sep_lun->lun_se_dev->t10_alua;
struct t10_alua_tg_pt_gp *tg_pt_gp;
struct t10_alua_tg_pt_gp_member *tg_pt_gp_mem;
}
static struct t10_alua_tg_pt_gp *core_alua_get_tg_pt_gp_by_name(
- struct se_subsystem_dev *su_dev,
- const char *name)
+ struct se_device *dev, const char *name)
{
struct t10_alua_tg_pt_gp *tg_pt_gp;
struct config_item *ci;
- spin_lock(&su_dev->t10_alua.tg_pt_gps_lock);
- list_for_each_entry(tg_pt_gp, &su_dev->t10_alua.tg_pt_gps_list,
+ spin_lock(&dev->t10_alua.tg_pt_gps_lock);
+ list_for_each_entry(tg_pt_gp, &dev->t10_alua.tg_pt_gps_list,
tg_pt_gp_list) {
if (!tg_pt_gp->tg_pt_gp_valid_id)
continue;
ci = &tg_pt_gp->tg_pt_gp_group.cg_item;
if (!strcmp(config_item_name(ci), name)) {
atomic_inc(&tg_pt_gp->tg_pt_gp_ref_cnt);
- spin_unlock(&su_dev->t10_alua.tg_pt_gps_lock);
+ spin_unlock(&dev->t10_alua.tg_pt_gps_lock);
return tg_pt_gp;
}
}
- spin_unlock(&su_dev->t10_alua.tg_pt_gps_lock);
+ spin_unlock(&dev->t10_alua.tg_pt_gps_lock);
return NULL;
}
static void core_alua_put_tg_pt_gp_from_name(
struct t10_alua_tg_pt_gp *tg_pt_gp)
{
- struct se_subsystem_dev *su_dev = tg_pt_gp->tg_pt_gp_su_dev;
+ struct se_device *dev = tg_pt_gp->tg_pt_gp_dev;
- spin_lock(&su_dev->t10_alua.tg_pt_gps_lock);
+ spin_lock(&dev->t10_alua.tg_pt_gps_lock);
atomic_dec(&tg_pt_gp->tg_pt_gp_ref_cnt);
- spin_unlock(&su_dev->t10_alua.tg_pt_gps_lock);
+ spin_unlock(&dev->t10_alua.tg_pt_gps_lock);
}
/*
ssize_t core_alua_show_tg_pt_gp_info(struct se_port *port, char *page)
{
- struct se_subsystem_dev *su_dev = port->sep_lun->lun_se_dev->se_sub_dev;
struct config_item *tg_pt_ci;
- struct t10_alua *alua = &su_dev->t10_alua;
+ struct t10_alua *alua = &port->sep_lun->lun_se_dev->t10_alua;
struct t10_alua_tg_pt_gp *tg_pt_gp;
struct t10_alua_tg_pt_gp_member *tg_pt_gp_mem;
ssize_t len = 0;
{
struct se_portal_group *tpg;
struct se_lun *lun;
- struct se_subsystem_dev *su_dev = port->sep_lun->lun_se_dev->se_sub_dev;
+ struct se_device *dev = port->sep_lun->lun_se_dev;
struct t10_alua_tg_pt_gp *tg_pt_gp = NULL, *tg_pt_gp_new = NULL;
struct t10_alua_tg_pt_gp_member *tg_pt_gp_mem;
unsigned char buf[TG_PT_GROUP_NAME_BUF];
tpg = port->sep_tpg;
lun = port->sep_lun;
- if (su_dev->t10_alua.alua_type != SPC3_ALUA_EMULATED) {
+ if (dev->t10_alua.alua_type != SPC3_ALUA_EMULATED) {
pr_warn("SPC3_ALUA_EMULATED not enabled for"
" %s/tpgt_%hu/%s\n", tpg->se_tpg_tfo->tpg_get_wwn(tpg),
tpg->se_tpg_tfo->tpg_get_tag(tpg),
* struct t10_alua_tg_pt_gp. This reference is released with
* core_alua_put_tg_pt_gp_from_name() below.
*/
- tg_pt_gp_new = core_alua_get_tg_pt_gp_by_name(su_dev,
+ tg_pt_gp_new = core_alua_get_tg_pt_gp_by_name(dev,
strstrip(buf));
if (!tg_pt_gp_new)
return -ENODEV;
__core_alua_drop_tg_pt_gp_mem(tg_pt_gp_mem, tg_pt_gp);
__core_alua_attach_tg_pt_gp_mem(tg_pt_gp_mem,
- su_dev->t10_alua.default_tg_pt_gp);
+ dev->t10_alua.default_tg_pt_gp);
spin_unlock(&tg_pt_gp_mem->tg_pt_gp_mem_lock);
return count;
return count;
}
-int core_setup_alua(struct se_device *dev, int force_pt)
+int core_setup_alua(struct se_device *dev)
{
- struct se_subsystem_dev *su_dev = dev->se_sub_dev;
- struct t10_alua *alua = &su_dev->t10_alua;
+ struct t10_alua *alua = &dev->t10_alua;
struct t10_alua_lu_gp_member *lu_gp_mem;
+
/*
* If this device is from Target_Core_Mod/pSCSI, use the ALUA logic
* of the Underlying SCSI hardware. In Linux/SCSI terms, this can
* cause a problem because libata and some SATA RAID HBAs appear
* under Linux/SCSI, but emulate SCSI logic themselves.
*/
- if (((dev->transport->transport_type == TRANSPORT_PLUGIN_PHBA_PDEV) &&
- !(dev->se_sub_dev->se_dev_attrib.emulate_alua)) || force_pt) {
- alua->alua_type = SPC_ALUA_PASSTHROUGH;
- alua->alua_state_check = &core_alua_state_check_nop;
+ if ((dev->se_hba->hba_flags & HBA_FLAGS_INTERNAL_USE) ||
+ (dev->transport->transport_type == TRANSPORT_PLUGIN_PHBA_PDEV &&
+ !dev->dev_attrib.emulate_alua)) {
pr_debug("%s: Using SPC_ALUA_PASSTHROUGH, no ALUA"
" emulation\n", dev->transport->name);
- return 0;
- }
- /*
- * If SPC-3 or above is reported by real or emulated struct se_device,
- * use emulated ALUA.
- */
- if (dev->transport->get_device_rev(dev) >= SCSI_3) {
+
+ alua->alua_type = SPC_ALUA_PASSTHROUGH;
+ alua->alua_state_check = &core_alua_state_check_nop;
+ } else if (dev->transport->get_device_rev(dev) >= SCSI_3) {
pr_debug("%s: Enabling ALUA Emulation for SPC-3"
" device\n", dev->transport->name);
+
/*
* Associate this struct se_device with the default ALUA
* LUN Group.
" core/alua/lu_gps/default_lu_gp\n",
dev->transport->name);
} else {
- alua->alua_type = SPC2_ALUA_DISABLED;
- alua->alua_state_check = &core_alua_state_check_nop;
pr_debug("%s: Disabling ALUA Emulation for SPC-2"
" device\n", dev->transport->name);
+
+ alua->alua_type = SPC2_ALUA_DISABLED;
+ alua->alua_state_check = &core_alua_state_check_nop;
}
return 0;
struct t10_alua_lu_gp *);
extern void core_alua_drop_lu_gp_dev(struct se_device *);
extern struct t10_alua_tg_pt_gp *core_alua_allocate_tg_pt_gp(
- struct se_subsystem_dev *, const char *, int);
+ struct se_device *, const char *, int);
extern int core_alua_set_tg_pt_gp_id(struct t10_alua_tg_pt_gp *, u16);
extern struct t10_alua_tg_pt_gp_member *core_alua_allocate_tg_pt_gp_mem(
struct se_port *);
char *);
extern ssize_t core_alua_store_secondary_write_metadata(struct se_lun *,
const char *, size_t);
-extern int core_setup_alua(struct se_device *, int);
+extern int core_setup_alua(struct se_device *);
#endif /* TARGET_CORE_ALUA_H */
struct se_dev_attrib *da, \
char *page) \
{ \
- struct se_device *dev; \
- struct se_subsystem_dev *se_dev = da->da_sub_dev; \
- ssize_t rb; \
- \
- spin_lock(&se_dev->se_dev_lock); \
- dev = se_dev->se_dev_ptr; \
- if (!dev) { \
- spin_unlock(&se_dev->se_dev_lock); \
- return -ENODEV; \
- } \
- rb = snprintf(page, PAGE_SIZE, "%u\n", \
- (u32)dev->se_sub_dev->se_dev_attrib._name); \
- spin_unlock(&se_dev->se_dev_lock); \
- \
- return rb; \
+ return snprintf(page, PAGE_SIZE, "%u\n", \
+ (u32)da->da_dev->dev_attrib._name); \
}
#define DEF_DEV_ATTRIB_STORE(_name) \
const char *page, \
size_t count) \
{ \
- struct se_device *dev; \
- struct se_subsystem_dev *se_dev = da->da_sub_dev; \
unsigned long val; \
int ret; \
\
- spin_lock(&se_dev->se_dev_lock); \
- dev = se_dev->se_dev_ptr; \
- if (!dev) { \
- spin_unlock(&se_dev->se_dev_lock); \
- return -ENODEV; \
- } \
ret = strict_strtoul(page, 0, &val); \
if (ret < 0) { \
- spin_unlock(&se_dev->se_dev_lock); \
pr_err("strict_strtoul() failed with" \
" ret: %d\n", ret); \
return -EINVAL; \
} \
- ret = se_dev_set_##_name(dev, (u32)val); \
- spin_unlock(&se_dev->se_dev_lock); \
+ ret = se_dev_set_##_name(da->da_dev, (u32)val); \
\
return (!ret) ? count : -EINVAL; \
}
struct t10_wwn *t10_wwn,
char *page)
{
- struct se_subsystem_dev *se_dev = t10_wwn->t10_sub_dev;
- struct se_device *dev;
-
- dev = se_dev->se_dev_ptr;
- if (!dev)
- return -ENODEV;
-
return sprintf(page, "T10 VPD Unit Serial Number: %s\n",
&t10_wwn->unit_serial[0]);
}
const char *page,
size_t count)
{
- struct se_subsystem_dev *su_dev = t10_wwn->t10_sub_dev;
- struct se_device *dev;
+ struct se_device *dev = t10_wwn->t10_dev;
unsigned char buf[INQUIRY_VPD_SERIAL_LEN];
/*
* it is doing 'the right thing' wrt a world wide unique
* VPD Unit Serial Number that OS dependent multipath can depend on.
*/
- if (su_dev->su_dev_flags & SDF_FIRMWARE_VPD_UNIT_SERIAL) {
+ if (dev->dev_flags & DF_FIRMWARE_VPD_UNIT_SERIAL) {
pr_err("Underlying SCSI device firmware provided VPD"
" Unit Serial, ignoring request\n");
return -EOPNOTSUPP;
* (underneath the initiator side OS dependent multipath code)
* could cause negative effects.
*/
- dev = su_dev->se_dev_ptr;
- if (dev) {
- if (atomic_read(&dev->dev_export_obj.obj_access_count)) {
- pr_err("Unable to set VPD Unit Serial while"
- " active %d $FABRIC_MOD exports exist\n",
- atomic_read(&dev->dev_export_obj.obj_access_count));
- return -EINVAL;
- }
+ if (dev->export_count) {
+ pr_err("Unable to set VPD Unit Serial while"
+ " active %d $FABRIC_MOD exports exist\n",
+ dev->export_count);
+ return -EINVAL;
}
+
/*
* This currently assumes ASCII encoding for emulated VPD Unit Serial.
*
*/
memset(buf, 0, INQUIRY_VPD_SERIAL_LEN);
snprintf(buf, INQUIRY_VPD_SERIAL_LEN, "%s", page);
- snprintf(su_dev->t10_wwn.unit_serial, INQUIRY_VPD_SERIAL_LEN,
+ snprintf(dev->t10_wwn.unit_serial, INQUIRY_VPD_SERIAL_LEN,
"%s", strstrip(buf));
- su_dev->su_dev_flags |= SDF_EMULATED_VPD_UNIT_SERIAL;
+ dev->dev_flags |= DF_EMULATED_VPD_UNIT_SERIAL;
pr_debug("Target_Core_ConfigFS: Set emulated VPD Unit Serial:"
- " %s\n", su_dev->t10_wwn.unit_serial);
+ " %s\n", dev->t10_wwn.unit_serial);
return count;
}
struct t10_wwn *t10_wwn,
char *page)
{
- struct se_subsystem_dev *se_dev = t10_wwn->t10_sub_dev;
- struct se_device *dev;
struct t10_vpd *vpd;
unsigned char buf[VPD_TMP_BUF_SIZE];
ssize_t len = 0;
- dev = se_dev->se_dev_ptr;
- if (!dev)
- return -ENODEV;
-
memset(buf, 0, VPD_TMP_BUF_SIZE);
spin_lock(&t10_wwn->t10_vpd_lock);
struct t10_wwn *t10_wwn, \
char *page) \
{ \
- struct se_subsystem_dev *se_dev = t10_wwn->t10_sub_dev; \
- struct se_device *dev; \
struct t10_vpd *vpd; \
unsigned char buf[VPD_TMP_BUF_SIZE]; \
ssize_t len = 0; \
\
- dev = se_dev->se_dev_ptr; \
- if (!dev) \
- return -ENODEV; \
- \
spin_lock(&t10_wwn->t10_vpd_lock); \
list_for_each_entry(vpd, &t10_wwn->t10_vpd_list, vpd_list) { \
if (vpd->association != _assoc) \
/* Start functions for struct config_item_type target_core_dev_pr_cit */
-CONFIGFS_EATTR_STRUCT(target_core_dev_pr, se_subsystem_dev);
+CONFIGFS_EATTR_STRUCT(target_core_dev_pr, se_device);
#define SE_DEV_PR_ATTR(_name, _mode) \
static struct target_core_dev_pr_attribute target_core_dev_pr_##_name = \
__CONFIGFS_EATTR(_name, _mode, \
return *len;
}
-static ssize_t target_core_dev_pr_show_attr_res_holder(
- struct se_subsystem_dev *su_dev,
- char *page)
+static ssize_t target_core_dev_pr_show_attr_res_holder(struct se_device *dev,
+ char *page)
{
ssize_t len = 0;
- if (!su_dev->se_dev_ptr)
- return -ENODEV;
-
- switch (su_dev->t10_pr.res_type) {
+ switch (dev->t10_pr.res_type) {
case SPC3_PERSISTENT_RESERVATIONS:
- target_core_dev_pr_show_spc3_res(su_dev->se_dev_ptr,
- page, &len);
+ target_core_dev_pr_show_spc3_res(dev, page, &len);
break;
case SPC2_RESERVATIONS:
- target_core_dev_pr_show_spc2_res(su_dev->se_dev_ptr,
- page, &len);
+ target_core_dev_pr_show_spc2_res(dev, page, &len);
break;
case SPC_PASSTHROUGH:
len += sprintf(page+len, "Passthrough\n");
SE_DEV_PR_ATTR_RO(res_holder);
-/*
- * res_pr_all_tgt_pts
- */
static ssize_t target_core_dev_pr_show_attr_res_pr_all_tgt_pts(
- struct se_subsystem_dev *su_dev,
- char *page)
+ struct se_device *dev, char *page)
{
- struct se_device *dev;
struct t10_pr_registration *pr_reg;
ssize_t len = 0;
- dev = su_dev->se_dev_ptr;
- if (!dev)
- return -ENODEV;
-
- if (su_dev->t10_pr.res_type != SPC3_PERSISTENT_RESERVATIONS)
+ if (dev->t10_pr.res_type != SPC3_PERSISTENT_RESERVATIONS)
return len;
spin_lock(&dev->dev_reservation_lock);
SE_DEV_PR_ATTR_RO(res_pr_all_tgt_pts);
-/*
- * res_pr_generation
- */
static ssize_t target_core_dev_pr_show_attr_res_pr_generation(
- struct se_subsystem_dev *su_dev,
- char *page)
+ struct se_device *dev, char *page)
{
- if (!su_dev->se_dev_ptr)
- return -ENODEV;
-
- if (su_dev->t10_pr.res_type != SPC3_PERSISTENT_RESERVATIONS)
+ if (dev->t10_pr.res_type != SPC3_PERSISTENT_RESERVATIONS)
return 0;
- return sprintf(page, "0x%08x\n", su_dev->t10_pr.pr_generation);
+ return sprintf(page, "0x%08x\n", dev->t10_pr.pr_generation);
}
SE_DEV_PR_ATTR_RO(res_pr_generation);
* res_pr_holder_tg_port
*/
static ssize_t target_core_dev_pr_show_attr_res_pr_holder_tg_port(
- struct se_subsystem_dev *su_dev,
- char *page)
+ struct se_device *dev, char *page)
{
- struct se_device *dev;
struct se_node_acl *se_nacl;
struct se_lun *lun;
struct se_portal_group *se_tpg;
struct target_core_fabric_ops *tfo;
ssize_t len = 0;
- dev = su_dev->se_dev_ptr;
- if (!dev)
- return -ENODEV;
-
- if (su_dev->t10_pr.res_type != SPC3_PERSISTENT_RESERVATIONS)
+ if (dev->t10_pr.res_type != SPC3_PERSISTENT_RESERVATIONS)
return len;
spin_lock(&dev->dev_reservation_lock);
SE_DEV_PR_ATTR_RO(res_pr_holder_tg_port);
-/*
- * res_pr_registered_i_pts
- */
static ssize_t target_core_dev_pr_show_attr_res_pr_registered_i_pts(
- struct se_subsystem_dev *su_dev,
- char *page)
+ struct se_device *dev, char *page)
{
struct target_core_fabric_ops *tfo;
struct t10_pr_registration *pr_reg;
ssize_t len = 0;
int reg_count = 0, prf_isid;
- if (!su_dev->se_dev_ptr)
- return -ENODEV;
-
- if (su_dev->t10_pr.res_type != SPC3_PERSISTENT_RESERVATIONS)
+ if (dev->t10_pr.res_type != SPC3_PERSISTENT_RESERVATIONS)
return len;
len += sprintf(page+len, "SPC-3 PR Registrations:\n");
- spin_lock(&su_dev->t10_pr.registration_lock);
- list_for_each_entry(pr_reg, &su_dev->t10_pr.registration_list,
+ spin_lock(&dev->t10_pr.registration_lock);
+ list_for_each_entry(pr_reg, &dev->t10_pr.registration_list,
pr_reg_list) {
memset(buf, 0, 384);
len += sprintf(page+len, "%s", buf);
reg_count++;
}
- spin_unlock(&su_dev->t10_pr.registration_lock);
+ spin_unlock(&dev->t10_pr.registration_lock);
if (!reg_count)
len += sprintf(page+len, "None\n");
SE_DEV_PR_ATTR_RO(res_pr_registered_i_pts);
-/*
- * res_pr_type
- */
static ssize_t target_core_dev_pr_show_attr_res_pr_type(
- struct se_subsystem_dev *su_dev,
- char *page)
+ struct se_device *dev, char *page)
{
- struct se_device *dev;
struct t10_pr_registration *pr_reg;
ssize_t len = 0;
- dev = su_dev->se_dev_ptr;
- if (!dev)
- return -ENODEV;
-
- if (su_dev->t10_pr.res_type != SPC3_PERSISTENT_RESERVATIONS)
+ if (dev->t10_pr.res_type != SPC3_PERSISTENT_RESERVATIONS)
return len;
spin_lock(&dev->dev_reservation_lock);
SE_DEV_PR_ATTR_RO(res_pr_type);
-/*
- * res_type
- */
static ssize_t target_core_dev_pr_show_attr_res_type(
- struct se_subsystem_dev *su_dev,
- char *page)
+ struct se_device *dev, char *page)
{
ssize_t len = 0;
- if (!su_dev->se_dev_ptr)
- return -ENODEV;
-
- switch (su_dev->t10_pr.res_type) {
+ switch (dev->t10_pr.res_type) {
case SPC3_PERSISTENT_RESERVATIONS:
len = sprintf(page, "SPC3_PERSISTENT_RESERVATIONS\n");
break;
SE_DEV_PR_ATTR_RO(res_type);
-/*
- * res_aptpl_active
- */
-
static ssize_t target_core_dev_pr_show_attr_res_aptpl_active(
- struct se_subsystem_dev *su_dev,
- char *page)
+ struct se_device *dev, char *page)
{
- if (!su_dev->se_dev_ptr)
- return -ENODEV;
-
- if (su_dev->t10_pr.res_type != SPC3_PERSISTENT_RESERVATIONS)
+ if (dev->t10_pr.res_type != SPC3_PERSISTENT_RESERVATIONS)
return 0;
return sprintf(page, "APTPL Bit Status: %s\n",
- (su_dev->t10_pr.pr_aptpl_active) ? "Activated" : "Disabled");
+ (dev->t10_pr.pr_aptpl_active) ? "Activated" : "Disabled");
}
SE_DEV_PR_ATTR_RO(res_aptpl_active);
* res_aptpl_metadata
*/
static ssize_t target_core_dev_pr_show_attr_res_aptpl_metadata(
- struct se_subsystem_dev *su_dev,
- char *page)
+ struct se_device *dev, char *page)
{
- if (!su_dev->se_dev_ptr)
- return -ENODEV;
-
- if (su_dev->t10_pr.res_type != SPC3_PERSISTENT_RESERVATIONS)
+ if (dev->t10_pr.res_type != SPC3_PERSISTENT_RESERVATIONS)
return 0;
return sprintf(page, "Ready to process PR APTPL metadata..\n");
};
static ssize_t target_core_dev_pr_store_attr_res_aptpl_metadata(
- struct se_subsystem_dev *su_dev,
+ struct se_device *dev,
const char *page,
size_t count)
{
- struct se_device *dev;
unsigned char *i_fabric = NULL, *i_port = NULL, *isid = NULL;
unsigned char *t_fabric = NULL, *t_port = NULL;
char *orig, *ptr, *arg_p, *opts;
u16 port_rpti = 0, tpgt = 0;
u8 type = 0, scope;
- dev = su_dev->se_dev_ptr;
- if (!dev)
- return -ENODEV;
-
- if (su_dev->t10_pr.res_type != SPC3_PERSISTENT_RESERVATIONS)
+ if (dev->t10_pr.res_type != SPC3_PERSISTENT_RESERVATIONS)
return 0;
- if (atomic_read(&dev->dev_export_obj.obj_access_count)) {
+ if (dev->export_count) {
pr_debug("Unable to process APTPL metadata while"
" active fabric exports exist\n");
return -EINVAL;
goto out;
}
- ret = core_scsi3_alloc_aptpl_registration(&su_dev->t10_pr, sa_res_key,
+ ret = core_scsi3_alloc_aptpl_registration(&dev->t10_pr, sa_res_key,
i_port, isid, mapped_lun, t_port, tpgt, target_lun,
res_holder, all_tg_pt, type);
out:
SE_DEV_PR_ATTR(res_aptpl_metadata, S_IRUGO | S_IWUSR);
-CONFIGFS_EATTR_OPS(target_core_dev_pr, se_subsystem_dev, se_dev_pr_group);
+CONFIGFS_EATTR_OPS(target_core_dev_pr, se_device, dev_pr_group);
static struct configfs_attribute *target_core_dev_pr_attrs[] = {
&target_core_dev_pr_res_holder.attr,
static ssize_t target_core_show_dev_info(void *p, char *page)
{
- struct se_subsystem_dev *se_dev = p;
- struct se_hba *hba = se_dev->se_dev_hba;
- struct se_subsystem_api *t = hba->transport;
+ struct se_device *dev = p;
+ struct se_subsystem_api *t = dev->transport;
int bl = 0;
ssize_t read_bytes = 0;
- if (!se_dev->se_dev_ptr)
- return -ENODEV;
-
- transport_dump_dev_state(se_dev->se_dev_ptr, page, &bl);
+ transport_dump_dev_state(dev, page, &bl);
read_bytes += bl;
- read_bytes += t->show_configfs_dev_params(hba, se_dev, page+read_bytes);
+ read_bytes += t->show_configfs_dev_params(dev, page+read_bytes);
return read_bytes;
}
const char *page,
size_t count)
{
- struct se_subsystem_dev *se_dev = p;
- struct se_hba *hba = se_dev->se_dev_hba;
- struct se_subsystem_api *t = hba->transport;
+ struct se_device *dev = p;
+ struct se_subsystem_api *t = dev->transport;
- if (!se_dev->se_dev_su_ptr) {
- pr_err("Unable to locate struct se_subsystem_dev>se"
- "_dev_su_ptr\n");
- return -EINVAL;
- }
-
- return t->set_configfs_dev_params(hba, se_dev, page, count);
+ return t->set_configfs_dev_params(dev, page, count);
}
static struct target_core_configfs_attribute target_core_attr_dev_control = {
static ssize_t target_core_show_dev_alias(void *p, char *page)
{
- struct se_subsystem_dev *se_dev = p;
+ struct se_device *dev = p;
- if (!(se_dev->su_dev_flags & SDF_USING_ALIAS))
+ if (!(dev->dev_flags & DF_USING_ALIAS))
return 0;
- return snprintf(page, PAGE_SIZE, "%s\n", se_dev->se_dev_alias);
+ return snprintf(page, PAGE_SIZE, "%s\n", dev->dev_alias);
}
static ssize_t target_core_store_dev_alias(
const char *page,
size_t count)
{
- struct se_subsystem_dev *se_dev = p;
- struct se_hba *hba = se_dev->se_dev_hba;
+ struct se_device *dev = p;
+ struct se_hba *hba = dev->se_hba;
ssize_t read_bytes;
if (count > (SE_DEV_ALIAS_LEN-1)) {
return -EINVAL;
}
- read_bytes = snprintf(&se_dev->se_dev_alias[0], SE_DEV_ALIAS_LEN,
- "%s", page);
+ read_bytes = snprintf(&dev->dev_alias[0], SE_DEV_ALIAS_LEN, "%s", page);
if (!read_bytes)
return -EINVAL;
- if (se_dev->se_dev_alias[read_bytes - 1] == '\n')
- se_dev->se_dev_alias[read_bytes - 1] = '\0';
+ if (dev->dev_alias[read_bytes - 1] == '\n')
+ dev->dev_alias[read_bytes - 1] = '\0';
- se_dev->su_dev_flags |= SDF_USING_ALIAS;
+ dev->dev_flags |= DF_USING_ALIAS;
pr_debug("Target_Core_ConfigFS: %s/%s set alias: %s\n",
config_item_name(&hba->hba_group.cg_item),
- config_item_name(&se_dev->se_dev_group.cg_item),
- se_dev->se_dev_alias);
+ config_item_name(&dev->dev_group.cg_item),
+ dev->dev_alias);
return read_bytes;
}
static ssize_t target_core_show_dev_udev_path(void *p, char *page)
{
- struct se_subsystem_dev *se_dev = p;
+ struct se_device *dev = p;
- if (!(se_dev->su_dev_flags & SDF_USING_UDEV_PATH))
+ if (!(dev->dev_flags & DF_USING_UDEV_PATH))
return 0;
- return snprintf(page, PAGE_SIZE, "%s\n", se_dev->se_dev_udev_path);
+ return snprintf(page, PAGE_SIZE, "%s\n", dev->udev_path);
}
static ssize_t target_core_store_dev_udev_path(
const char *page,
size_t count)
{
- struct se_subsystem_dev *se_dev = p;
- struct se_hba *hba = se_dev->se_dev_hba;
+ struct se_device *dev = p;
+ struct se_hba *hba = dev->se_hba;
ssize_t read_bytes;
if (count > (SE_UDEV_PATH_LEN-1)) {
return -EINVAL;
}
- read_bytes = snprintf(&se_dev->se_dev_udev_path[0], SE_UDEV_PATH_LEN,
+ read_bytes = snprintf(&dev->udev_path[0], SE_UDEV_PATH_LEN,
"%s", page);
if (!read_bytes)
return -EINVAL;
- if (se_dev->se_dev_udev_path[read_bytes - 1] == '\n')
- se_dev->se_dev_udev_path[read_bytes - 1] = '\0';
+ if (dev->udev_path[read_bytes - 1] == '\n')
+ dev->udev_path[read_bytes - 1] = '\0';
- se_dev->su_dev_flags |= SDF_USING_UDEV_PATH;
+ dev->dev_flags |= DF_USING_UDEV_PATH;
pr_debug("Target_Core_ConfigFS: %s/%s set udev_path: %s\n",
config_item_name(&hba->hba_group.cg_item),
- config_item_name(&se_dev->se_dev_group.cg_item),
- se_dev->se_dev_udev_path);
+ config_item_name(&dev->dev_group.cg_item),
+ dev->udev_path);
return read_bytes;
}
const char *page,
size_t count)
{
- struct se_subsystem_dev *se_dev = p;
- struct se_device *dev;
- struct se_hba *hba = se_dev->se_dev_hba;
- struct se_subsystem_api *t = hba->transport;
+ struct se_device *dev = p;
char *ptr;
+ int ret;
ptr = strstr(page, "1");
if (!ptr) {
" is \"1\"\n");
return -EINVAL;
}
- if (se_dev->se_dev_ptr) {
- pr_err("se_dev->se_dev_ptr already set for storage"
- " object\n");
- return -EEXIST;
- }
-
- if (t->check_configfs_dev_params(hba, se_dev) < 0)
- return -EINVAL;
-
- dev = t->create_virtdevice(hba, se_dev, se_dev->se_dev_su_ptr);
- if (IS_ERR(dev))
- return PTR_ERR(dev);
- else if (!dev)
- return -EINVAL;
-
- se_dev->se_dev_ptr = dev;
- pr_debug("Target_Core_ConfigFS: Registered se_dev->se_dev_ptr:"
- " %p\n", se_dev->se_dev_ptr);
+ ret = target_configure_device(dev);
+ if (ret)
+ return ret;
return count;
}
static ssize_t target_core_show_alua_lu_gp(void *p, char *page)
{
- struct se_device *dev;
- struct se_subsystem_dev *su_dev = p;
+ struct se_device *dev = p;
struct config_item *lu_ci;
struct t10_alua_lu_gp *lu_gp;
struct t10_alua_lu_gp_member *lu_gp_mem;
ssize_t len = 0;
- dev = su_dev->se_dev_ptr;
- if (!dev)
- return -ENODEV;
-
- if (su_dev->t10_alua.alua_type != SPC3_ALUA_EMULATED)
+ if (dev->t10_alua.alua_type != SPC3_ALUA_EMULATED)
return len;
lu_gp_mem = dev->dev_alua_lu_gp_mem;
const char *page,
size_t count)
{
- struct se_device *dev;
- struct se_subsystem_dev *su_dev = p;
- struct se_hba *hba = su_dev->se_dev_hba;
+ struct se_device *dev = p;
+ struct se_hba *hba = dev->se_hba;
struct t10_alua_lu_gp *lu_gp = NULL, *lu_gp_new = NULL;
struct t10_alua_lu_gp_member *lu_gp_mem;
unsigned char buf[LU_GROUP_NAME_BUF];
int move = 0;
- dev = su_dev->se_dev_ptr;
- if (!dev)
- return -ENODEV;
-
- if (su_dev->t10_alua.alua_type != SPC3_ALUA_EMULATED) {
+ if (dev->t10_alua.alua_type != SPC3_ALUA_EMULATED) {
pr_warn("SPC3_ALUA_EMULATED not enabled for %s/%s\n",
config_item_name(&hba->hba_group.cg_item),
- config_item_name(&su_dev->se_dev_group.cg_item));
+ config_item_name(&dev->dev_group.cg_item));
return -EINVAL;
}
if (count > LU_GROUP_NAME_BUF) {
" from ALUA LU Group: core/alua/lu_gps/%s, ID:"
" %hu\n",
config_item_name(&hba->hba_group.cg_item),
- config_item_name(&su_dev->se_dev_group.cg_item),
+ config_item_name(&dev->dev_group.cg_item),
config_item_name(&lu_gp->lu_gp_group.cg_item),
lu_gp->lu_gp_id);
" core/alua/lu_gps/%s, ID: %hu\n",
(move) ? "Moving" : "Adding",
config_item_name(&hba->hba_group.cg_item),
- config_item_name(&su_dev->se_dev_group.cg_item),
+ config_item_name(&dev->dev_group.cg_item),
config_item_name(&lu_gp_new->lu_gp_group.cg_item),
lu_gp_new->lu_gp_id);
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 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;
+ struct config_group *dev_cg = to_config_group(item);
+ struct se_device *dev =
+ container_of(dev_cg, struct se_device, 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) {
- pr_debug("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..
- */
- pr_debug("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);
- }
-
- pr_debug("Target_Core_ConfigFS: Deallocating se_subsystem"
- "_dev_t: %p\n", se_dev);
- kfree(se_dev);
+ target_free_device(dev);
}
static ssize_t target_core_dev_show(struct config_item *item,
struct configfs_attribute *attr,
char *page)
{
- struct se_subsystem_dev *se_dev = container_of(
- to_config_group(item), struct se_subsystem_dev,
- se_dev_group);
+ struct config_group *dev_cg = to_config_group(item);
+ struct se_device *dev =
+ container_of(dev_cg, struct se_device, dev_group);
struct target_core_configfs_attribute *tc_attr = container_of(
attr, struct target_core_configfs_attribute, attr);
if (!tc_attr->show)
return -EINVAL;
- return tc_attr->show(se_dev, page);
+ return tc_attr->show(dev, page);
}
static ssize_t target_core_dev_store(struct config_item *item,
struct configfs_attribute *attr,
const char *page, size_t count)
{
- struct se_subsystem_dev *se_dev = container_of(
- to_config_group(item), struct se_subsystem_dev,
- se_dev_group);
+ struct config_group *dev_cg = to_config_group(item);
+ struct se_device *dev =
+ container_of(dev_cg, struct se_device, dev_group);
struct target_core_configfs_attribute *tc_attr = container_of(
attr, struct target_core_configfs_attribute, attr);
if (!tc_attr->store)
return -EINVAL;
- return tc_attr->store(se_dev, page, count);
+ return tc_attr->store(dev, page, count);
}
static struct configfs_item_operations target_core_dev_item_ops = {
{
struct se_device *dev;
struct se_hba *hba;
- struct se_subsystem_dev *su_dev;
struct t10_alua_lu_gp_member *lu_gp_mem;
ssize_t len = 0, cur_len;
unsigned char buf[LU_GROUP_NAME_BUF];
spin_lock(&lu_gp->lu_gp_lock);
list_for_each_entry(lu_gp_mem, &lu_gp->lu_gp_mem_list, lu_gp_mem_list) {
dev = lu_gp_mem->lu_gp_mem_dev;
- su_dev = dev->se_sub_dev;
- hba = su_dev->se_dev_hba;
+ hba = dev->se_hba;
cur_len = snprintf(buf, LU_GROUP_NAME_BUF, "%s/%s\n",
config_item_name(&hba->hba_group.cg_item),
- config_item_name(&su_dev->se_dev_group.cg_item));
+ config_item_name(&dev->dev_group.cg_item));
cur_len++; /* Extra byte for NULL terminator */
if ((cur_len + len) > PAGE_SIZE) {
const char *page,
size_t count)
{
- struct se_subsystem_dev *su_dev = tg_pt_gp->tg_pt_gp_su_dev;
+ struct se_device *dev = tg_pt_gp->tg_pt_gp_dev;
unsigned long tmp;
int new_state, ret;
return -EINVAL;
}
- ret = core_alua_do_port_transition(tg_pt_gp, su_dev->se_dev_ptr,
+ ret = core_alua_do_port_transition(tg_pt_gp, dev,
NULL, NULL, new_state, 0);
return (!ret) ? count : -EINVAL;
}
struct t10_alua *alua = container_of(group, struct t10_alua,
alua_tg_pt_gps_group);
struct t10_alua_tg_pt_gp *tg_pt_gp;
- struct se_subsystem_dev *su_dev = alua->t10_sub_dev;
struct config_group *alua_tg_pt_gp_cg = NULL;
struct config_item *alua_tg_pt_gp_ci = NULL;
- tg_pt_gp = core_alua_allocate_tg_pt_gp(su_dev, name, 0);
+ tg_pt_gp = core_alua_allocate_tg_pt_gp(alua->t10_dev, name, 0);
if (!tg_pt_gp)
return NULL;
const char *name)
{
struct t10_alua_tg_pt_gp *tg_pt_gp;
- struct se_subsystem_dev *se_dev;
struct se_subsystem_api *t;
struct config_item *hba_ci = &group->cg_item;
struct se_hba *hba = item_to_hba(hba_ci);
+ struct se_device *dev;
struct config_group *dev_cg = NULL, *tg_pt_gp_cg = NULL;
struct config_group *dev_stat_grp = NULL;
int errno = -ENOMEM, ret;
*/
t = hba->transport;
- se_dev = kzalloc(sizeof(struct se_subsystem_dev), GFP_KERNEL);
- if (!se_dev) {
- pr_err("Unable to allocate memory for"
- " struct se_subsystem_dev\n");
- goto unlock;
- }
- INIT_LIST_HEAD(&se_dev->t10_wwn.t10_vpd_list);
- spin_lock_init(&se_dev->t10_wwn.t10_vpd_lock);
- INIT_LIST_HEAD(&se_dev->t10_pr.registration_list);
- INIT_LIST_HEAD(&se_dev->t10_pr.aptpl_reg_list);
- spin_lock_init(&se_dev->t10_pr.registration_lock);
- spin_lock_init(&se_dev->t10_pr.aptpl_reg_lock);
- INIT_LIST_HEAD(&se_dev->t10_alua.tg_pt_gps_list);
- spin_lock_init(&se_dev->t10_alua.tg_pt_gps_lock);
- spin_lock_init(&se_dev->se_dev_lock);
- se_dev->t10_pr.pr_aptpl_buf_len = PR_APTPL_BUF_LEN;
- se_dev->t10_wwn.t10_sub_dev = se_dev;
- se_dev->t10_alua.t10_sub_dev = se_dev;
- se_dev->se_dev_attrib.da_sub_dev = se_dev;
-
- se_dev->se_dev_hba = hba;
- dev_cg = &se_dev->se_dev_group;
+ dev = target_alloc_device(hba, name);
+ if (!dev)
+ goto out_unlock;
+
+ dev_cg = &dev->dev_group;
dev_cg->default_groups = kzalloc(sizeof(struct config_group) * 7,
GFP_KERNEL);
if (!dev_cg->default_groups)
- goto out;
- /*
- * Set se_dev_su_ptr from struct se_subsystem_api returned void ptr
- * for ->allocate_virtdevice()
- *
- * se_dev->se_dev_ptr will be set after ->create_virtdev()
- * has been called successfully in the next level up in the
- * configfs tree for device object's struct config_group.
- */
- se_dev->se_dev_su_ptr = t->allocate_virtdevice(hba, name);
- if (!se_dev->se_dev_su_ptr) {
- pr_err("Unable to locate subsystem dependent pointer"
- " from allocate_virtdevice()\n");
- goto out;
- }
+ goto out_free_device;
- config_group_init_type_name(&se_dev->se_dev_group, name,
- &target_core_dev_cit);
- config_group_init_type_name(&se_dev->se_dev_attrib.da_group, "attrib",
+ config_group_init_type_name(dev_cg, name, &target_core_dev_cit);
+ config_group_init_type_name(&dev->dev_attrib.da_group, "attrib",
&target_core_dev_attrib_cit);
- config_group_init_type_name(&se_dev->se_dev_pr_group, "pr",
+ config_group_init_type_name(&dev->dev_pr_group, "pr",
&target_core_dev_pr_cit);
- config_group_init_type_name(&se_dev->t10_wwn.t10_wwn_group, "wwn",
+ config_group_init_type_name(&dev->t10_wwn.t10_wwn_group, "wwn",
&target_core_dev_wwn_cit);
- config_group_init_type_name(&se_dev->t10_alua.alua_tg_pt_gps_group,
+ config_group_init_type_name(&dev->t10_alua.alua_tg_pt_gps_group,
"alua", &target_core_alua_tg_pt_gps_cit);
- config_group_init_type_name(&se_dev->dev_stat_grps.stat_group,
+ config_group_init_type_name(&dev->dev_stat_grps.stat_group,
"statistics", &target_core_stat_cit);
- dev_cg->default_groups[0] = &se_dev->se_dev_attrib.da_group;
- dev_cg->default_groups[1] = &se_dev->se_dev_pr_group;
- dev_cg->default_groups[2] = &se_dev->t10_wwn.t10_wwn_group;
- dev_cg->default_groups[3] = &se_dev->t10_alua.alua_tg_pt_gps_group;
- dev_cg->default_groups[4] = &se_dev->dev_stat_grps.stat_group;
+ dev_cg->default_groups[0] = &dev->dev_attrib.da_group;
+ dev_cg->default_groups[1] = &dev->dev_pr_group;
+ dev_cg->default_groups[2] = &dev->t10_wwn.t10_wwn_group;
+ dev_cg->default_groups[3] = &dev->t10_alua.alua_tg_pt_gps_group;
+ dev_cg->default_groups[4] = &dev->dev_stat_grps.stat_group;
dev_cg->default_groups[5] = NULL;
/*
* Add core/$HBA/$DEV/alua/default_tg_pt_gp
*/
- tg_pt_gp = core_alua_allocate_tg_pt_gp(se_dev, "default_tg_pt_gp", 1);
+ tg_pt_gp = core_alua_allocate_tg_pt_gp(dev, "default_tg_pt_gp", 1);
if (!tg_pt_gp)
- goto out;
+ goto out_free_dev_cg_default_groups;
+ dev->t10_alua.default_tg_pt_gp = tg_pt_gp;
- tg_pt_gp_cg = &se_dev->t10_alua.alua_tg_pt_gps_group;
+ tg_pt_gp_cg = &dev->t10_alua.alua_tg_pt_gps_group;
tg_pt_gp_cg->default_groups = kzalloc(sizeof(struct config_group) * 2,
GFP_KERNEL);
if (!tg_pt_gp_cg->default_groups) {
pr_err("Unable to allocate tg_pt_gp_cg->"
"default_groups\n");
- goto out;
+ goto out_free_tg_pt_gp;
}
config_group_init_type_name(&tg_pt_gp->tg_pt_gp_group,
"default_tg_pt_gp", &target_core_alua_tg_pt_gp_cit);
tg_pt_gp_cg->default_groups[0] = &tg_pt_gp->tg_pt_gp_group;
tg_pt_gp_cg->default_groups[1] = NULL;
- se_dev->t10_alua.default_tg_pt_gp = tg_pt_gp;
/*
* Add core/$HBA/$DEV/statistics/ default groups
*/
- dev_stat_grp = &se_dev->dev_stat_grps.stat_group;
+ dev_stat_grp = &dev->dev_stat_grps.stat_group;
dev_stat_grp->default_groups = kzalloc(sizeof(struct config_group) * 4,
GFP_KERNEL);
if (!dev_stat_grp->default_groups) {
pr_err("Unable to allocate dev_stat_grp->default_groups\n");
- goto out;
+ goto out_free_tg_pt_gp_cg_default_groups;
}
- target_stat_setup_dev_default_groups(se_dev);
-
- pr_debug("Target_Core_ConfigFS: Allocated struct se_subsystem_dev:"
- " %p se_dev_su_ptr: %p\n", se_dev, se_dev->se_dev_su_ptr);
+ target_stat_setup_dev_default_groups(dev);
mutex_unlock(&hba->hba_access_mutex);
- return &se_dev->se_dev_group;
-out:
- if (se_dev->t10_alua.default_tg_pt_gp) {
- core_alua_free_tg_pt_gp(se_dev->t10_alua.default_tg_pt_gp);
- se_dev->t10_alua.default_tg_pt_gp = NULL;
- }
- if (dev_stat_grp)
- kfree(dev_stat_grp->default_groups);
- if (tg_pt_gp_cg)
- kfree(tg_pt_gp_cg->default_groups);
- if (dev_cg)
- kfree(dev_cg->default_groups);
- if (se_dev->se_dev_su_ptr)
- t->free_device(se_dev->se_dev_su_ptr);
- kfree(se_dev);
-unlock:
+ return dev_cg;
+
+out_free_tg_pt_gp_cg_default_groups:
+ kfree(tg_pt_gp_cg->default_groups);
+out_free_tg_pt_gp:
+ core_alua_free_tg_pt_gp(tg_pt_gp);
+out_free_dev_cg_default_groups:
+ kfree(dev_cg->default_groups);
+out_free_device:
+ target_free_device(dev);
+out_unlock:
mutex_unlock(&hba->hba_access_mutex);
return ERR_PTR(errno);
}
struct config_group *group,
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 = to_config_group(item);
+ struct se_device *dev =
+ container_of(dev_cg, struct se_device, dev_group);
struct se_hba *hba;
struct config_item *df_item;
- struct config_group *dev_cg, *tg_pt_gp_cg, *dev_stat_grp;
+ struct config_group *tg_pt_gp_cg, *dev_stat_grp;
int i;
- hba = item_to_hba(&se_dev->se_dev_hba->hba_group.cg_item);
+ hba = item_to_hba(&dev->se_hba->hba_group.cg_item);
mutex_lock(&hba->hba_access_mutex);
- dev_stat_grp = &se_dev->dev_stat_grps.stat_group;
+ dev_stat_grp = &dev->dev_stat_grps.stat_group;
for (i = 0; dev_stat_grp->default_groups[i]; i++) {
df_item = &dev_stat_grp->default_groups[i]->cg_item;
dev_stat_grp->default_groups[i] = NULL;
}
kfree(dev_stat_grp->default_groups);
- tg_pt_gp_cg = &se_dev->t10_alua.alua_tg_pt_gps_group;
+ tg_pt_gp_cg = &dev->t10_alua.alua_tg_pt_gps_group;
for (i = 0; tg_pt_gp_cg->default_groups[i]; i++) {
df_item = &tg_pt_gp_cg->default_groups[i]->cg_item;
tg_pt_gp_cg->default_groups[i] = NULL;
* core_alua_free_tg_pt_gp() is called from ->default_tg_pt_gp
* directly from target_core_alua_tg_pt_gp_release().
*/
- se_dev->t10_alua.default_tg_pt_gp = NULL;
+ dev->t10_alua.default_tg_pt_gp = NULL;
- dev_cg = &se_dev->se_dev_group;
for (i = 0; dev_cg->default_groups[i]; i++) {
df_item = &dev_cg->default_groups[i]->cg_item;
dev_cg->default_groups[i] = NULL;
config_item_put(df_item);
}
/*
- * 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().
+ * se_dev is released from target_core_dev_item_ops->release()
*/
config_item_put(item);
mutex_unlock(&hba->hba_access_mutex);
return -EINVAL;
}
- spin_lock(&hba->device_lock);
- if (!list_empty(&hba->hba_dev_list)) {
+ if (hba->dev_count) {
pr_err("Unable to set hba_mode with active devices\n");
- spin_unlock(&hba->device_lock);
return -EINVAL;
}
- spin_unlock(&hba->device_lock);
ret = transport->pmode_enable_hba(hba, mode_flag);
if (ret < 0)
#include "target_core_pr.h"
#include "target_core_ua.h"
-static void se_dev_start(struct se_device *dev);
-static void se_dev_stop(struct se_device *dev);
-
static struct se_hba *lun0_hba;
-static struct se_subsystem_dev *lun0_su_dev;
/* not static, needed by tpg.c */
struct se_device *g_lun0_dev;
se_cmd->orig_fe_lun = 0;
se_cmd->se_cmd_flags |= SCF_SE_LUN_CMD;
}
- /*
- * Determine if the struct se_lun is online.
- * FIXME: Check for LUN_RESET + UNIT Attention
- */
- if (se_dev_check_online(se_lun->lun_se_dev) != 0) {
- se_cmd->scsi_sense_reason = TCM_NON_EXISTENT_LUN;
- se_cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION;
- return -ENODEV;
- }
/* Directly associate cmd with se_dev */
se_cmd->se_dev = se_lun->lun_se_dev;
se_cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION;
return -ENODEV;
}
- /*
- * Determine if the struct se_lun is online.
- * FIXME: Check for LUN_RESET + UNIT Attention
- */
- if (se_dev_check_online(se_lun->lun_se_dev) != 0) {
- se_cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION;
- return -ENODEV;
- }
/* Directly associate cmd with se_dev */
se_cmd->se_dev = se_lun->lun_se_dev;
struct se_port *port,
struct se_lun *lun)
{
- struct se_subsystem_dev *su_dev = dev->se_sub_dev;
struct t10_alua_tg_pt_gp_member *tg_pt_gp_mem = NULL;
spin_lock(&dev->se_port_lock);
list_add_tail(&port->sep_list, &dev->dev_sep_list);
spin_unlock(&dev->se_port_lock);
- if (su_dev->t10_alua.alua_type == SPC3_ALUA_EMULATED) {
+ if (dev->t10_alua.alua_type == SPC3_ALUA_EMULATED) {
tg_pt_gp_mem = core_alua_allocate_tg_pt_gp_mem(port);
if (IS_ERR(tg_pt_gp_mem) || !tg_pt_gp_mem) {
pr_err("Unable to allocate t10_alua_tg_pt"
}
spin_lock(&tg_pt_gp_mem->tg_pt_gp_mem_lock);
__core_alua_attach_tg_pt_gp_mem(tg_pt_gp_mem,
- su_dev->t10_alua.default_tg_pt_gp);
+ dev->t10_alua.default_tg_pt_gp);
spin_unlock(&tg_pt_gp_mem->tg_pt_gp_mem_lock);
pr_debug("%s/%s: Adding to default ALUA Target Port"
" Group: alua/default_tg_pt_gp\n",
struct se_portal_group *tpg,
struct se_lun *lun)
{
+ struct se_hba *hba = dev->se_hba;
struct se_port *port;
port = core_alloc_port(dev);
return PTR_ERR(port);
lun->lun_se_dev = dev;
- se_dev_start(dev);
- atomic_inc(&dev->dev_export_obj.obj_access_count);
+ spin_lock(&hba->device_lock);
+ dev->export_count++;
+ spin_unlock(&hba->device_lock);
+
core_export_port(dev, tpg, port, lun);
return 0;
}
struct se_portal_group *tpg,
struct se_lun *lun)
{
+ struct se_hba *hba = dev->se_hba;
struct se_port *port = lun->lun_sep;
spin_lock(&lun->lun_sep_lock);
spin_unlock(&lun->lun_sep_lock);
spin_lock(&dev->se_port_lock);
- atomic_dec(&dev->dev_export_obj.obj_access_count);
core_release_port(dev, port);
spin_unlock(&dev->se_port_lock);
- se_dev_stop(dev);
+ spin_lock(&hba->device_lock);
+ dev->export_count--;
+ spin_unlock(&hba->device_lock);
+
lun->lun_se_dev = NULL;
}
return 0;
}
-/* se_release_device_for_hba():
- *
- *
- */
-void se_release_device_for_hba(struct se_device *dev)
-{
- struct se_hba *hba = dev->se_hba;
-
- if ((dev->dev_status & TRANSPORT_DEVICE_ACTIVATED) ||
- (dev->dev_status & TRANSPORT_DEVICE_DEACTIVATED) ||
- (dev->dev_status & TRANSPORT_DEVICE_SHUTDOWN) ||
- (dev->dev_status & TRANSPORT_DEVICE_OFFLINE_ACTIVATED) ||
- (dev->dev_status & TRANSPORT_DEVICE_OFFLINE_DEACTIVATED))
- se_dev_stop(dev);
-
- if (dev->dev_ptr) {
- destroy_workqueue(dev->tmr_wq);
- if (dev->transport->free_device)
- dev->transport->free_device(dev->dev_ptr);
- }
-
- spin_lock(&hba->device_lock);
- list_del(&dev->dev_list);
- hba->dev_count--;
- spin_unlock(&hba->device_lock);
-
- core_scsi3_free_all_registrations(dev);
- se_release_vpd_for_dev(dev);
-
- kfree(dev);
-}
-
-void se_release_vpd_for_dev(struct se_device *dev)
+static void se_release_vpd_for_dev(struct se_device *dev)
{
struct t10_vpd *vpd, *vpd_tmp;
- spin_lock(&dev->se_sub_dev->t10_wwn.t10_vpd_lock);
+ spin_lock(&dev->t10_wwn.t10_vpd_lock);
list_for_each_entry_safe(vpd, vpd_tmp,
- &dev->se_sub_dev->t10_wwn.t10_vpd_list, vpd_list) {
+ &dev->t10_wwn.t10_vpd_list, vpd_list) {
list_del(&vpd->vpd_list);
kfree(vpd);
}
- spin_unlock(&dev->se_sub_dev->t10_wwn.t10_vpd_lock);
-}
-
-/* se_free_virtual_device():
- *
- * Used for IBLOCK, RAMDISK, and FILEIO Transport Drivers.
- */
-int se_free_virtual_device(struct se_device *dev, struct se_hba *hba)
-{
- if (!list_empty(&dev->dev_sep_list))
- dump_stack();
-
- core_alua_free_lu_gp_mem(dev);
- se_release_device_for_hba(dev);
-
- return 0;
-}
-
-static void se_dev_start(struct se_device *dev)
-{
- struct se_hba *hba = dev->se_hba;
-
- spin_lock(&hba->device_lock);
- atomic_inc(&dev->dev_obj.obj_access_count);
- if (atomic_read(&dev->dev_obj.obj_access_count) == 1) {
- if (dev->dev_status & TRANSPORT_DEVICE_DEACTIVATED) {
- dev->dev_status &= ~TRANSPORT_DEVICE_DEACTIVATED;
- dev->dev_status |= TRANSPORT_DEVICE_ACTIVATED;
- } else if (dev->dev_status &
- TRANSPORT_DEVICE_OFFLINE_DEACTIVATED) {
- dev->dev_status &=
- ~TRANSPORT_DEVICE_OFFLINE_DEACTIVATED;
- dev->dev_status |= TRANSPORT_DEVICE_OFFLINE_ACTIVATED;
- }
- }
- spin_unlock(&hba->device_lock);
-}
-
-static void se_dev_stop(struct se_device *dev)
-{
- struct se_hba *hba = dev->se_hba;
-
- spin_lock(&hba->device_lock);
- atomic_dec(&dev->dev_obj.obj_access_count);
- if (atomic_read(&dev->dev_obj.obj_access_count) == 0) {
- if (dev->dev_status & TRANSPORT_DEVICE_ACTIVATED) {
- dev->dev_status &= ~TRANSPORT_DEVICE_ACTIVATED;
- dev->dev_status |= TRANSPORT_DEVICE_DEACTIVATED;
- } else if (dev->dev_status &
- TRANSPORT_DEVICE_OFFLINE_ACTIVATED) {
- dev->dev_status &= ~TRANSPORT_DEVICE_OFFLINE_ACTIVATED;
- dev->dev_status |= TRANSPORT_DEVICE_OFFLINE_DEACTIVATED;
- }
- }
- spin_unlock(&hba->device_lock);
-}
-
-int se_dev_check_online(struct se_device *dev)
-{
- unsigned long flags;
- int ret;
-
- spin_lock_irqsave(&dev->dev_status_lock, flags);
- ret = ((dev->dev_status & TRANSPORT_DEVICE_ACTIVATED) ||
- (dev->dev_status & TRANSPORT_DEVICE_DEACTIVATED)) ? 0 : 1;
- spin_unlock_irqrestore(&dev->dev_status_lock, flags);
-
- return ret;
-}
-
-int se_dev_check_shutdown(struct se_device *dev)
-{
- int ret;
-
- spin_lock_irq(&dev->dev_status_lock);
- ret = (dev->dev_status & TRANSPORT_DEVICE_SHUTDOWN);
- spin_unlock_irq(&dev->dev_status_lock);
-
- return ret;
+ spin_unlock(&dev->t10_wwn.t10_vpd_lock);
}
static u32 se_dev_align_max_sectors(u32 max_sectors, u32 block_size)
return aligned_max_sectors;
}
-void se_dev_set_default_attribs(
- struct se_device *dev,
- struct se_dev_limits *dev_limits)
-{
- struct queue_limits *limits = &dev_limits->limits;
-
- dev->se_sub_dev->se_dev_attrib.emulate_dpo = DA_EMULATE_DPO;
- dev->se_sub_dev->se_dev_attrib.emulate_fua_write = DA_EMULATE_FUA_WRITE;
- dev->se_sub_dev->se_dev_attrib.emulate_fua_read = DA_EMULATE_FUA_READ;
- dev->se_sub_dev->se_dev_attrib.emulate_write_cache = DA_EMULATE_WRITE_CACHE;
- dev->se_sub_dev->se_dev_attrib.emulate_ua_intlck_ctrl = DA_EMULATE_UA_INTLLCK_CTRL;
- dev->se_sub_dev->se_dev_attrib.emulate_tas = DA_EMULATE_TAS;
- dev->se_sub_dev->se_dev_attrib.emulate_tpu = DA_EMULATE_TPU;
- dev->se_sub_dev->se_dev_attrib.emulate_tpws = DA_EMULATE_TPWS;
- dev->se_sub_dev->se_dev_attrib.emulate_reservations = DA_EMULATE_RESERVATIONS;
- dev->se_sub_dev->se_dev_attrib.emulate_alua = DA_EMULATE_ALUA;
- dev->se_sub_dev->se_dev_attrib.enforce_pr_isids = DA_ENFORCE_PR_ISIDS;
- dev->se_sub_dev->se_dev_attrib.is_nonrot = DA_IS_NONROT;
- dev->se_sub_dev->se_dev_attrib.emulate_rest_reord = DA_EMULATE_REST_REORD;
- /*
- * The TPU=1 and TPWS=1 settings will be set in TCM/IBLOCK
- * iblock_create_virtdevice() from struct queue_limits values
- * if blk_queue_discard()==1
- */
- dev->se_sub_dev->se_dev_attrib.max_unmap_lba_count = DA_MAX_UNMAP_LBA_COUNT;
- dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count =
- DA_MAX_UNMAP_BLOCK_DESC_COUNT;
- dev->se_sub_dev->se_dev_attrib.unmap_granularity = DA_UNMAP_GRANULARITY_DEFAULT;
- dev->se_sub_dev->se_dev_attrib.unmap_granularity_alignment =
- DA_UNMAP_GRANULARITY_ALIGNMENT_DEFAULT;
- /*
- * block_size is based on subsystem plugin dependent requirements.
- */
- dev->se_sub_dev->se_dev_attrib.hw_block_size = limits->logical_block_size;
- dev->se_sub_dev->se_dev_attrib.block_size = limits->logical_block_size;
- /*
- * Align max_hw_sectors down to PAGE_SIZE I/O transfers
- */
- limits->max_hw_sectors = se_dev_align_max_sectors(limits->max_hw_sectors,
- limits->logical_block_size);
- dev->se_sub_dev->se_dev_attrib.hw_max_sectors = limits->max_hw_sectors;
-
- /*
- * Set fabric_max_sectors, which is reported in block limits
- * VPD page (B0h).
- */
- dev->se_sub_dev->se_dev_attrib.fabric_max_sectors = DA_FABRIC_MAX_SECTORS;
- /*
- * Set optimal_sectors from fabric_max_sectors, which can be
- * lowered via configfs.
- */
- dev->se_sub_dev->se_dev_attrib.optimal_sectors = DA_FABRIC_MAX_SECTORS;
- /*
- * queue_depth is based on subsystem plugin dependent requirements.
- */
- dev->se_sub_dev->se_dev_attrib.hw_queue_depth = dev_limits->hw_queue_depth;
- dev->se_sub_dev->se_dev_attrib.queue_depth = dev_limits->queue_depth;
-}
-
int se_dev_set_max_unmap_lba_count(
struct se_device *dev,
u32 max_unmap_lba_count)
{
- dev->se_sub_dev->se_dev_attrib.max_unmap_lba_count = max_unmap_lba_count;
+ dev->dev_attrib.max_unmap_lba_count = max_unmap_lba_count;
pr_debug("dev[%p]: Set max_unmap_lba_count: %u\n",
- dev, dev->se_sub_dev->se_dev_attrib.max_unmap_lba_count);
+ dev, dev->dev_attrib.max_unmap_lba_count);
return 0;
}
struct se_device *dev,
u32 max_unmap_block_desc_count)
{
- dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count =
+ dev->dev_attrib.max_unmap_block_desc_count =
max_unmap_block_desc_count;
pr_debug("dev[%p]: Set max_unmap_block_desc_count: %u\n",
- dev, dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count);
+ dev, dev->dev_attrib.max_unmap_block_desc_count);
return 0;
}
struct se_device *dev,
u32 unmap_granularity)
{
- dev->se_sub_dev->se_dev_attrib.unmap_granularity = unmap_granularity;
+ dev->dev_attrib.unmap_granularity = unmap_granularity;
pr_debug("dev[%p]: Set unmap_granularity: %u\n",
- dev, dev->se_sub_dev->se_dev_attrib.unmap_granularity);
+ dev, dev->dev_attrib.unmap_granularity);
return 0;
}
struct se_device *dev,
u32 unmap_granularity_alignment)
{
- dev->se_sub_dev->se_dev_attrib.unmap_granularity_alignment = unmap_granularity_alignment;
+ dev->dev_attrib.unmap_granularity_alignment = unmap_granularity_alignment;
pr_debug("dev[%p]: Set unmap_granularity_alignment: %u\n",
- dev, dev->se_sub_dev->se_dev_attrib.unmap_granularity_alignment);
+ dev, dev->dev_attrib.unmap_granularity_alignment);
return 0;
}
pr_err("emulate_fua_write not supported for pSCSI\n");
return -EINVAL;
}
- dev->se_sub_dev->se_dev_attrib.emulate_fua_write = flag;
+ dev->dev_attrib.emulate_fua_write = flag;
pr_debug("dev[%p]: SE Device Forced Unit Access WRITEs: %d\n",
- dev, dev->se_sub_dev->se_dev_attrib.emulate_fua_write);
+ dev, dev->dev_attrib.emulate_fua_write);
return 0;
}
pr_err("emulate_write_cache not supported for pSCSI\n");
return -EINVAL;
}
- dev->se_sub_dev->se_dev_attrib.emulate_write_cache = flag;
+ dev->dev_attrib.emulate_write_cache = flag;
pr_debug("dev[%p]: SE Device WRITE_CACHE_EMULATION flag: %d\n",
- dev, dev->se_sub_dev->se_dev_attrib.emulate_write_cache);
+ dev, dev->dev_attrib.emulate_write_cache);
return 0;
}
return -EINVAL;
}
- if (atomic_read(&dev->dev_export_obj.obj_access_count)) {
+ if (dev->export_count) {
pr_err("dev[%p]: Unable to change SE Device"
- " UA_INTRLCK_CTRL while dev_export_obj: %d count"
- " exists\n", dev,
- atomic_read(&dev->dev_export_obj.obj_access_count));
+ " UA_INTRLCK_CTRL while export_count is %d\n",
+ dev, dev->export_count);
return -EINVAL;
}
- dev->se_sub_dev->se_dev_attrib.emulate_ua_intlck_ctrl = flag;
+ dev->dev_attrib.emulate_ua_intlck_ctrl = flag;
pr_debug("dev[%p]: SE Device UA_INTRLCK_CTRL flag: %d\n",
- dev, dev->se_sub_dev->se_dev_attrib.emulate_ua_intlck_ctrl);
+ dev, dev->dev_attrib.emulate_ua_intlck_ctrl);
return 0;
}
return -EINVAL;
}
- if (atomic_read(&dev->dev_export_obj.obj_access_count)) {
+ if (dev->export_count) {
pr_err("dev[%p]: Unable to change SE Device TAS while"
- " dev_export_obj: %d count exists\n", dev,
- atomic_read(&dev->dev_export_obj.obj_access_count));
+ " export_count is %d\n",
+ dev, dev->export_count);
return -EINVAL;
}
- dev->se_sub_dev->se_dev_attrib.emulate_tas = flag;
+ dev->dev_attrib.emulate_tas = flag;
pr_debug("dev[%p]: SE Device TASK_ABORTED status bit: %s\n",
- dev, (dev->se_sub_dev->se_dev_attrib.emulate_tas) ? "Enabled" : "Disabled");
+ dev, (dev->dev_attrib.emulate_tas) ? "Enabled" : "Disabled");
return 0;
}
* We expect this value to be non-zero when generic Block Layer
* Discard supported is detected iblock_create_virtdevice().
*/
- if (flag && !dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count) {
+ if (flag && !dev->dev_attrib.max_unmap_block_desc_count) {
pr_err("Generic Block Discard not supported\n");
return -ENOSYS;
}
- dev->se_sub_dev->se_dev_attrib.emulate_tpu = flag;
+ dev->dev_attrib.emulate_tpu = flag;
pr_debug("dev[%p]: SE Device Thin Provisioning UNMAP bit: %d\n",
dev, flag);
return 0;
* We expect this value to be non-zero when generic Block Layer
* Discard supported is detected iblock_create_virtdevice().
*/
- if (flag && !dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count) {
+ if (flag && !dev->dev_attrib.max_unmap_block_desc_count) {
pr_err("Generic Block Discard not supported\n");
return -ENOSYS;
}
- dev->se_sub_dev->se_dev_attrib.emulate_tpws = flag;
+ dev->dev_attrib.emulate_tpws = flag;
pr_debug("dev[%p]: SE Device Thin Provisioning WRITE_SAME: %d\n",
dev, flag);
return 0;
pr_err("Illegal value %d\n", flag);
return -EINVAL;
}
- dev->se_sub_dev->se_dev_attrib.enforce_pr_isids = flag;
+ dev->dev_attrib.enforce_pr_isids = flag;
pr_debug("dev[%p]: SE Device enforce_pr_isids bit: %s\n", dev,
- (dev->se_sub_dev->se_dev_attrib.enforce_pr_isids) ? "Enabled" : "Disabled");
+ (dev->dev_attrib.enforce_pr_isids) ? "Enabled" : "Disabled");
return 0;
}
printk(KERN_ERR "Illegal value %d\n", flag);
return -EINVAL;
}
- dev->se_sub_dev->se_dev_attrib.is_nonrot = flag;
+ dev->dev_attrib.is_nonrot = flag;
pr_debug("dev[%p]: SE Device is_nonrot bit: %d\n",
dev, flag);
return 0;
" reordering not implemented\n", dev);
return -ENOSYS;
}
- dev->se_sub_dev->se_dev_attrib.emulate_rest_reord = flag;
+ dev->dev_attrib.emulate_rest_reord = flag;
pr_debug("dev[%p]: SE Device emulate_rest_reord: %d\n", dev, flag);
return 0;
}
*/
int se_dev_set_queue_depth(struct se_device *dev, u32 queue_depth)
{
- if (atomic_read(&dev->dev_export_obj.obj_access_count)) {
+ if (dev->export_count) {
pr_err("dev[%p]: Unable to change SE Device TCQ while"
- " dev_export_obj: %d count exists\n", dev,
- atomic_read(&dev->dev_export_obj.obj_access_count));
+ " export_count is %d\n",
+ dev, dev->export_count);
return -EINVAL;
}
if (!queue_depth) {
}
if (dev->transport->transport_type == TRANSPORT_PLUGIN_PHBA_PDEV) {
- if (queue_depth > dev->se_sub_dev->se_dev_attrib.hw_queue_depth) {
+ if (queue_depth > dev->dev_attrib.hw_queue_depth) {
pr_err("dev[%p]: Passed queue_depth: %u"
" exceeds TCM/SE_Device TCQ: %u\n",
dev, queue_depth,
- dev->se_sub_dev->se_dev_attrib.hw_queue_depth);
+ dev->dev_attrib.hw_queue_depth);
return -EINVAL;
}
} else {
- if (queue_depth > dev->se_sub_dev->se_dev_attrib.queue_depth) {
- if (queue_depth > dev->se_sub_dev->se_dev_attrib.hw_queue_depth) {
+ if (queue_depth > dev->dev_attrib.queue_depth) {
+ if (queue_depth > dev->dev_attrib.hw_queue_depth) {
pr_err("dev[%p]: Passed queue_depth:"
" %u exceeds TCM/SE_Device MAX"
" TCQ: %u\n", dev, queue_depth,
- dev->se_sub_dev->se_dev_attrib.hw_queue_depth);
+ dev->dev_attrib.hw_queue_depth);
return -EINVAL;
}
}
}
- dev->se_sub_dev->se_dev_attrib.queue_depth = dev->queue_depth = queue_depth;
+ dev->dev_attrib.queue_depth = dev->queue_depth = queue_depth;
pr_debug("dev[%p]: SE Device TCQ Depth changed to: %u\n",
dev, queue_depth);
return 0;
int se_dev_set_fabric_max_sectors(struct se_device *dev, u32 fabric_max_sectors)
{
- if (atomic_read(&dev->dev_export_obj.obj_access_count)) {
+ if (dev->export_count) {
pr_err("dev[%p]: Unable to change SE Device"
- " fabric_max_sectors while dev_export_obj: %d count exists\n",
- dev, atomic_read(&dev->dev_export_obj.obj_access_count));
+ " fabric_max_sectors while export_count is %d\n",
+ dev, dev->export_count);
return -EINVAL;
}
if (!fabric_max_sectors) {
return -EINVAL;
}
if (dev->transport->transport_type == TRANSPORT_PLUGIN_PHBA_PDEV) {
- if (fabric_max_sectors > dev->se_sub_dev->se_dev_attrib.hw_max_sectors) {
+ if (fabric_max_sectors > dev->dev_attrib.hw_max_sectors) {
pr_err("dev[%p]: Passed fabric_max_sectors: %u"
" greater than TCM/SE_Device max_sectors:"
" %u\n", dev, fabric_max_sectors,
- dev->se_sub_dev->se_dev_attrib.hw_max_sectors);
+ dev->dev_attrib.hw_max_sectors);
return -EINVAL;
}
} else {
* Align max_sectors down to PAGE_SIZE to follow transport_allocate_data_tasks()
*/
fabric_max_sectors = se_dev_align_max_sectors(fabric_max_sectors,
- dev->se_sub_dev->se_dev_attrib.block_size);
+ dev->dev_attrib.block_size);
- dev->se_sub_dev->se_dev_attrib.fabric_max_sectors = fabric_max_sectors;
+ dev->dev_attrib.fabric_max_sectors = fabric_max_sectors;
pr_debug("dev[%p]: SE Device max_sectors changed to %u\n",
dev, fabric_max_sectors);
return 0;
int se_dev_set_optimal_sectors(struct se_device *dev, u32 optimal_sectors)
{
- if (atomic_read(&dev->dev_export_obj.obj_access_count)) {
+ if (dev->export_count) {
pr_err("dev[%p]: Unable to change SE Device"
- " optimal_sectors while dev_export_obj: %d count exists\n",
- dev, atomic_read(&dev->dev_export_obj.obj_access_count));
+ " optimal_sectors while export_count is %d\n",
+ dev, dev->export_count);
return -EINVAL;
}
if (dev->transport->transport_type == TRANSPORT_PLUGIN_PHBA_PDEV) {
" changed for TCM/pSCSI\n", dev);
return -EINVAL;
}
- if (optimal_sectors > dev->se_sub_dev->se_dev_attrib.fabric_max_sectors) {
+ if (optimal_sectors > dev->dev_attrib.fabric_max_sectors) {
pr_err("dev[%p]: Passed optimal_sectors %u cannot be"
" greater than fabric_max_sectors: %u\n", dev,
- optimal_sectors, dev->se_sub_dev->se_dev_attrib.fabric_max_sectors);
+ optimal_sectors, dev->dev_attrib.fabric_max_sectors);
return -EINVAL;
}
- dev->se_sub_dev->se_dev_attrib.optimal_sectors = optimal_sectors;
+ dev->dev_attrib.optimal_sectors = optimal_sectors;
pr_debug("dev[%p]: SE Device optimal_sectors changed to %u\n",
dev, optimal_sectors);
return 0;
int se_dev_set_block_size(struct se_device *dev, u32 block_size)
{
- if (atomic_read(&dev->dev_export_obj.obj_access_count)) {
+ if (dev->export_count) {
pr_err("dev[%p]: Unable to change SE Device block_size"
- " while dev_export_obj: %d count exists\n", dev,
- atomic_read(&dev->dev_export_obj.obj_access_count));
+ " while export_count is %d\n",
+ dev, dev->export_count);
return -EINVAL;
}
return -EINVAL;
}
- dev->se_sub_dev->se_dev_attrib.block_size = block_size;
+ dev->dev_attrib.block_size = block_size;
pr_debug("dev[%p]: SE Device block_size changed to %u\n",
dev, block_size);
return 0;
struct se_lun *lun_p;
int rc;
- if (atomic_read(&dev->dev_access_obj.obj_access_count) != 0) {
- pr_err("Unable to export struct se_device while dev_access_obj: %d\n",
- atomic_read(&dev->dev_access_obj.obj_access_count));
- return ERR_PTR(-EACCES);
- }
-
lun_p = core_tpg_pre_addlun(tpg, lun);
if (IS_ERR(lun_p))
return lun_p;
kfree(lacl);
}
+static void scsi_dump_inquiry(struct se_device *dev)
+{
+ struct t10_wwn *wwn = &dev->t10_wwn;
+ char buf[17];
+ int i, device_type;
+ /*
+ * Print Linux/SCSI style INQUIRY formatting to the kernel ring buffer
+ */
+ for (i = 0; i < 8; i++)
+ if (wwn->vendor[i] >= 0x20)
+ buf[i] = wwn->vendor[i];
+ else
+ buf[i] = ' ';
+ buf[i] = '\0';
+ pr_debug(" Vendor: %s\n", buf);
+
+ for (i = 0; i < 16; i++)
+ if (wwn->model[i] >= 0x20)
+ buf[i] = wwn->model[i];
+ else
+ buf[i] = ' ';
+ buf[i] = '\0';
+ pr_debug(" Model: %s\n", buf);
+
+ for (i = 0; i < 4; i++)
+ if (wwn->revision[i] >= 0x20)
+ buf[i] = wwn->revision[i];
+ else
+ buf[i] = ' ';
+ buf[i] = '\0';
+ pr_debug(" Revision: %s\n", buf);
+
+ device_type = dev->transport->get_device_type(dev);
+ pr_debug(" Type: %s ", scsi_device_type(device_type));
+ pr_debug(" ANSI SCSI revision: %02x\n",
+ dev->transport->get_device_rev(dev));
+}
+
+struct se_device *target_alloc_device(struct se_hba *hba, const char *name)
+{
+ struct se_device *dev;
+
+ dev = hba->transport->alloc_device(hba, name);
+ if (!dev)
+ return NULL;
+
+ dev->se_hba = hba;
+ dev->transport = hba->transport;
+
+ INIT_LIST_HEAD(&dev->dev_list);
+ INIT_LIST_HEAD(&dev->dev_sep_list);
+ INIT_LIST_HEAD(&dev->dev_tmr_list);
+ INIT_LIST_HEAD(&dev->delayed_cmd_list);
+ INIT_LIST_HEAD(&dev->state_list);
+ INIT_LIST_HEAD(&dev->qf_cmd_list);
+ spin_lock_init(&dev->stats_lock);
+ spin_lock_init(&dev->execute_task_lock);
+ spin_lock_init(&dev->delayed_cmd_lock);
+ spin_lock_init(&dev->dev_reservation_lock);
+ spin_lock_init(&dev->se_port_lock);
+ spin_lock_init(&dev->se_tmr_lock);
+ spin_lock_init(&dev->qf_cmd_lock);
+ atomic_set(&dev->dev_ordered_id, 0);
+ INIT_LIST_HEAD(&dev->t10_wwn.t10_vpd_list);
+ spin_lock_init(&dev->t10_wwn.t10_vpd_lock);
+ INIT_LIST_HEAD(&dev->t10_pr.registration_list);
+ INIT_LIST_HEAD(&dev->t10_pr.aptpl_reg_list);
+ spin_lock_init(&dev->t10_pr.registration_lock);
+ spin_lock_init(&dev->t10_pr.aptpl_reg_lock);
+ INIT_LIST_HEAD(&dev->t10_alua.tg_pt_gps_list);
+ spin_lock_init(&dev->t10_alua.tg_pt_gps_lock);
+
+ dev->t10_pr.pr_aptpl_buf_len = PR_APTPL_BUF_LEN;
+ dev->t10_wwn.t10_dev = dev;
+ dev->t10_alua.t10_dev = dev;
+
+ dev->dev_attrib.da_dev = dev;
+ dev->dev_attrib.emulate_dpo = DA_EMULATE_DPO;
+ dev->dev_attrib.emulate_fua_write = DA_EMULATE_FUA_WRITE;
+ dev->dev_attrib.emulate_fua_read = DA_EMULATE_FUA_READ;
+ dev->dev_attrib.emulate_write_cache = DA_EMULATE_WRITE_CACHE;
+ dev->dev_attrib.emulate_ua_intlck_ctrl = DA_EMULATE_UA_INTLLCK_CTRL;
+ dev->dev_attrib.emulate_tas = DA_EMULATE_TAS;
+ dev->dev_attrib.emulate_tpu = DA_EMULATE_TPU;
+ dev->dev_attrib.emulate_tpws = DA_EMULATE_TPWS;
+ dev->dev_attrib.emulate_reservations = DA_EMULATE_RESERVATIONS;
+ dev->dev_attrib.emulate_alua = DA_EMULATE_ALUA;
+ dev->dev_attrib.enforce_pr_isids = DA_ENFORCE_PR_ISIDS;
+ dev->dev_attrib.is_nonrot = DA_IS_NONROT;
+ dev->dev_attrib.emulate_rest_reord = DA_EMULATE_REST_REORD;
+ dev->dev_attrib.max_unmap_lba_count = DA_MAX_UNMAP_LBA_COUNT;
+ dev->dev_attrib.max_unmap_block_desc_count =
+ DA_MAX_UNMAP_BLOCK_DESC_COUNT;
+ dev->dev_attrib.unmap_granularity = DA_UNMAP_GRANULARITY_DEFAULT;
+ dev->dev_attrib.unmap_granularity_alignment =
+ DA_UNMAP_GRANULARITY_ALIGNMENT_DEFAULT;
+ dev->dev_attrib.fabric_max_sectors = DA_FABRIC_MAX_SECTORS;
+ dev->dev_attrib.optimal_sectors = DA_FABRIC_MAX_SECTORS;
+
+ if (dev->transport->transport_type == TRANSPORT_PLUGIN_PHBA_PDEV)
+ dev->dev_task_attr_type = SAM_TASK_ATTR_PASSTHROUGH;
+ else
+ dev->dev_task_attr_type = SAM_TASK_ATTR_EMULATED;
+
+ return dev;
+}
+
+int target_configure_device(struct se_device *dev)
+{
+ struct se_hba *hba = dev->se_hba;
+ int ret;
+
+ if (dev->dev_flags & DF_CONFIGURED) {
+ pr_err("se_dev->se_dev_ptr already set for storage"
+ " object\n");
+ return -EEXIST;
+ }
+
+ ret = dev->transport->configure_device(dev);
+ if (ret)
+ goto out;
+ dev->dev_flags |= DF_CONFIGURED;
+
+ /*
+ * XXX: there is not much point to have two different values here..
+ */
+ dev->dev_attrib.block_size = dev->dev_attrib.hw_block_size;
+ dev->dev_attrib.queue_depth = dev->dev_attrib.hw_queue_depth;
+
+ /*
+ * Align max_hw_sectors down to PAGE_SIZE I/O transfers
+ */
+ dev->dev_attrib.hw_max_sectors =
+ se_dev_align_max_sectors(dev->dev_attrib.hw_max_sectors,
+ dev->dev_attrib.hw_block_size);
+
+ dev->dev_index = scsi_get_new_index(SCSI_DEVICE_INDEX);
+ dev->creation_time = get_jiffies_64();
+
+ core_setup_reservations(dev);
+
+ ret = core_setup_alua(dev);
+ if (ret)
+ goto out;
+
+ /*
+ * Startup the struct se_device processing thread
+ */
+ dev->tmr_wq = alloc_workqueue("tmr-%s", WQ_MEM_RECLAIM | WQ_UNBOUND, 1,
+ dev->transport->name);
+ if (!dev->tmr_wq) {
+ pr_err("Unable to create tmr workqueue for %s\n",
+ dev->transport->name);
+ ret = -ENOMEM;
+ goto out_free_alua;
+ }
+
+ /*
+ * Setup work_queue for QUEUE_FULL
+ */
+ INIT_WORK(&dev->qf_work_queue, target_qf_do_work);
+
+ /*
+ * Preload the initial INQUIRY const values if we are doing
+ * anything virtual (IBLOCK, FILEIO, RAMDISK), but not for TCM/pSCSI
+ * passthrough because this is being provided by the backend LLD.
+ */
+ if (dev->transport->transport_type != TRANSPORT_PLUGIN_PHBA_PDEV) {
+ strncpy(&dev->t10_wwn.vendor[0], "LIO-ORG", 8);
+ strncpy(&dev->t10_wwn.model[0],
+ dev->transport->inquiry_prod, 16);
+ strncpy(&dev->t10_wwn.revision[0],
+ dev->transport->inquiry_rev, 4);
+ }
+
+ scsi_dump_inquiry(dev);
+
+ spin_lock(&hba->device_lock);
+ hba->dev_count++;
+ spin_unlock(&hba->device_lock);
+ return 0;
+
+out_free_alua:
+ core_alua_free_lu_gp_mem(dev);
+out:
+ se_release_vpd_for_dev(dev);
+ return ret;
+}
+
+void target_free_device(struct se_device *dev)
+{
+ struct se_hba *hba = dev->se_hba;
+
+ WARN_ON(!list_empty(&dev->dev_sep_list));
+
+ if (dev->dev_flags & DF_CONFIGURED) {
+ destroy_workqueue(dev->tmr_wq);
+
+ spin_lock(&hba->device_lock);
+ hba->dev_count--;
+ spin_unlock(&hba->device_lock);
+ }
+
+ core_alua_free_lu_gp_mem(dev);
+ core_scsi3_free_all_registrations(dev);
+ se_release_vpd_for_dev(dev);
+
+ dev->transport->free_device(dev);
+}
+
int core_dev_setup_virtual_lun0(void)
{
struct se_hba *hba;
struct se_device *dev;
- struct se_subsystem_dev *se_dev = NULL;
- struct se_subsystem_api *t;
char buf[16];
int ret;
if (IS_ERR(hba))
return PTR_ERR(hba);
- lun0_hba = hba;
- t = hba->transport;
-
- se_dev = kzalloc(sizeof(struct se_subsystem_dev), GFP_KERNEL);
- if (!se_dev) {
- pr_err("Unable to allocate memory for"
- " struct se_subsystem_dev\n");
+ dev = target_alloc_device(hba, "virt_lun0");
+ if (!dev) {
ret = -ENOMEM;
- goto out;
+ goto out_free_hba;
}
- INIT_LIST_HEAD(&se_dev->t10_wwn.t10_vpd_list);
- spin_lock_init(&se_dev->t10_wwn.t10_vpd_lock);
- INIT_LIST_HEAD(&se_dev->t10_pr.registration_list);
- INIT_LIST_HEAD(&se_dev->t10_pr.aptpl_reg_list);
- spin_lock_init(&se_dev->t10_pr.registration_lock);
- spin_lock_init(&se_dev->t10_pr.aptpl_reg_lock);
- INIT_LIST_HEAD(&se_dev->t10_alua.tg_pt_gps_list);
- spin_lock_init(&se_dev->t10_alua.tg_pt_gps_lock);
- spin_lock_init(&se_dev->se_dev_lock);
- se_dev->t10_pr.pr_aptpl_buf_len = PR_APTPL_BUF_LEN;
- se_dev->t10_wwn.t10_sub_dev = se_dev;
- se_dev->t10_alua.t10_sub_dev = se_dev;
- se_dev->se_dev_attrib.da_sub_dev = se_dev;
- se_dev->se_dev_hba = hba;
-
- se_dev->se_dev_su_ptr = t->allocate_virtdevice(hba, "virt_lun0");
- if (!se_dev->se_dev_su_ptr) {
- pr_err("Unable to locate subsystem dependent pointer"
- " from allocate_virtdevice()\n");
- ret = -ENOMEM;
- goto out;
- }
- lun0_su_dev = se_dev;
memset(buf, 0, 16);
sprintf(buf, "rd_pages=8");
- t->set_configfs_dev_params(hba, se_dev, buf, sizeof(buf));
+ hba->transport->set_configfs_dev_params(dev, buf, sizeof(buf));
- dev = t->create_virtdevice(hba, se_dev, se_dev->se_dev_su_ptr);
- if (IS_ERR(dev)) {
- ret = PTR_ERR(dev);
- goto out;
- }
- se_dev->se_dev_ptr = dev;
- g_lun0_dev = dev;
+ ret = target_configure_device(dev);
+ if (ret)
+ goto out_free_se_dev;
+ lun0_hba = hba;
+ g_lun0_dev = dev;
return 0;
-out:
- lun0_su_dev = NULL;
- kfree(se_dev);
- if (lun0_hba) {
- core_delete_hba(lun0_hba);
- lun0_hba = NULL;
- }
+
+out_free_se_dev:
+ target_free_device(dev);
+out_free_hba:
+ core_delete_hba(hba);
return ret;
}
void core_dev_release_virtual_lun0(void)
{
struct se_hba *hba = lun0_hba;
- struct se_subsystem_dev *su_dev = lun0_su_dev;
if (!hba)
return;
if (g_lun0_dev)
- se_free_virtual_device(g_lun0_dev, hba);
-
- kfree(su_dev);
+ target_free_device(g_lun0_dev);
core_delete_hba(hba);
}
struct config_item *se_dev_ci)
{
struct config_item *tpg_ci;
- struct se_device *dev;
struct se_lun *lun = container_of(to_config_group(lun_ci),
struct se_lun, lun_group);
struct se_lun *lun_p;
struct se_portal_group *se_tpg;
- struct se_subsystem_dev *se_dev = container_of(
- to_config_group(se_dev_ci), struct se_subsystem_dev,
- se_dev_group);
+ struct se_device *dev =
+ container_of(to_config_group(se_dev_ci), struct se_device, dev_group);
struct target_fabric_configfs *tf;
int ret;
return -EEXIST;
}
- dev = se_dev->se_dev_ptr;
- if (!dev) {
- pr_err("Unable to locate struct se_device pointer from"
- " %s\n", config_item_name(se_dev_ci));
- ret = -ENODEV;
- goto out;
- }
-
lun_p = core_dev_add_lun(se_tpg, dev, lun->unpacked_lun);
if (IS_ERR(lun_p)) {
pr_err("core_dev_add_lun() failed\n");
#include "target_core_file.h"
-static struct se_subsystem_api fileio_template;
+static inline struct fd_dev *FD_DEV(struct se_device *dev)
+{
+ return container_of(dev, struct fd_dev, dev);
+}
/* fd_attach_hba(): (Part of se_subsystem_api_t template)
*
hba->hba_ptr = NULL;
}
-static void *fd_allocate_virtdevice(struct se_hba *hba, const char *name)
+static struct se_device *fd_alloc_device(struct se_hba *hba, const char *name)
{
struct fd_dev *fd_dev;
struct fd_host *fd_host = hba->hba_ptr;
pr_debug("FILEIO: Allocated fd_dev for %p\n", name);
- return fd_dev;
+ return &fd_dev->dev;
}
-/* fd_create_virtdevice(): (Part of se_subsystem_api_t template)
- *
- *
- */
-static struct se_device *fd_create_virtdevice(
- struct se_hba *hba,
- struct se_subsystem_dev *se_dev,
- void *p)
+static int fd_configure_device(struct se_device *dev)
{
- struct se_device *dev;
- struct se_dev_limits dev_limits;
- struct queue_limits *limits;
- struct fd_dev *fd_dev = p;
- struct fd_host *fd_host = hba->hba_ptr;
+ struct fd_dev *fd_dev = FD_DEV(dev);
+ struct fd_host *fd_host = dev->se_hba->hba_ptr;
struct file *file;
struct inode *inode = NULL;
- int dev_flags = 0, flags, ret = -EINVAL;
+ int flags, ret = -EINVAL;
- memset(&dev_limits, 0, sizeof(struct se_dev_limits));
+ if (!(fd_dev->fbd_flags & FBDF_HAS_PATH)) {
+ pr_err("Missing fd_dev_name=\n");
+ return -EINVAL;
+ }
/*
* Use O_DSYNC by default instead of O_SYNC to forgo syncing
* of pure timestamp updates.
*/
flags = O_RDWR | O_CREAT | O_LARGEFILE | O_DSYNC;
+
/*
* Optionally allow fd_buffered_io=1 to be enabled for people
* who want use the fs buffer cache as an WriteCache mechanism.
*/
inode = file->f_mapping->host;
if (S_ISBLK(inode->i_mode)) {
- struct request_queue *q;
+ struct request_queue *q = bdev_get_queue(inode->i_bdev);
unsigned long long dev_size;
- /*
- * Setup the local scope queue_limits from struct request_queue->limits
- * to pass into transport_add_device_to_core_hba() as struct se_dev_limits.
- */
- q = bdev_get_queue(inode->i_bdev);
- limits = &dev_limits.limits;
- limits->logical_block_size = bdev_logical_block_size(inode->i_bdev);
- limits->max_hw_sectors = queue_max_hw_sectors(q);
- limits->max_sectors = queue_max_sectors(q);
+
+ dev->dev_attrib.hw_block_size =
+ bdev_logical_block_size(inode->i_bdev);
+ dev->dev_attrib.hw_max_sectors = queue_max_hw_sectors(q);
+
/*
* Determine the number of bytes from i_size_read() minus
* one (1) logical sector from underlying struct block_device
*/
- fd_dev->fd_block_size = bdev_logical_block_size(inode->i_bdev);
dev_size = (i_size_read(file->f_mapping->host) -
fd_dev->fd_block_size);
goto fail;
}
- limits = &dev_limits.limits;
- limits->logical_block_size = FD_BLOCKSIZE;
- limits->max_hw_sectors = FD_MAX_SECTORS;
- limits->max_sectors = FD_MAX_SECTORS;
- fd_dev->fd_block_size = FD_BLOCKSIZE;
+ dev->dev_attrib.hw_block_size = FD_BLOCKSIZE;
+ dev->dev_attrib.hw_max_sectors = FD_MAX_SECTORS;
}
- dev_limits.hw_queue_depth = FD_MAX_DEVICE_QUEUE_DEPTH;
- dev_limits.queue_depth = FD_DEVICE_QUEUE_DEPTH;
+ fd_dev->fd_block_size = dev->dev_attrib.hw_block_size;
- dev = transport_add_device_to_core_hba(hba, &fileio_template,
- se_dev, dev_flags, fd_dev,
- &dev_limits, "FILEIO", FD_VERSION);
- if (!dev)
- goto fail;
+ dev->dev_attrib.hw_queue_depth = FD_MAX_DEVICE_QUEUE_DEPTH;
if (fd_dev->fbd_flags & FDBD_HAS_BUFFERED_IO_WCE) {
pr_debug("FILEIO: Forcing setting of emulate_write_cache=1"
" with FDBD_HAS_BUFFERED_IO_WCE\n");
- dev->se_sub_dev->se_dev_attrib.emulate_write_cache = 1;
+ dev->dev_attrib.emulate_write_cache = 1;
}
fd_dev->fd_dev_id = fd_host->fd_host_dev_id_count++;
" %llu total bytes\n", fd_host->fd_host_id, fd_dev->fd_dev_id,
fd_dev->fd_dev_name, fd_dev->fd_dev_size);
- return dev;
+ return 0;
fail:
if (fd_dev->fd_file) {
filp_close(fd_dev->fd_file, NULL);
fd_dev->fd_file = NULL;
}
- return ERR_PTR(ret);
+ return ret;
}
-/* fd_free_device(): (Part of se_subsystem_api_t template)
- *
- *
- */
-static void fd_free_device(void *p)
+static void fd_free_device(struct se_device *dev)
{
- struct fd_dev *fd_dev = p;
+ struct fd_dev *fd_dev = FD_DEV(dev);
if (fd_dev->fd_file) {
filp_close(fd_dev->fd_file, NULL);
u32 sgl_nents)
{
struct se_device *se_dev = cmd->se_dev;
- struct fd_dev *dev = se_dev->dev_ptr;
+ struct fd_dev *dev = FD_DEV(se_dev);
struct file *fd = dev->fd_file;
struct scatterlist *sg;
struct iovec *iov;
mm_segment_t old_fs;
- loff_t pos = (cmd->t_task_lba *
- se_dev->se_sub_dev->se_dev_attrib.block_size);
+ loff_t pos = (cmd->t_task_lba * se_dev->dev_attrib.block_size);
int ret = 0, i;
iov = kzalloc(sizeof(struct iovec) * sgl_nents, GFP_KERNEL);
u32 sgl_nents)
{
struct se_device *se_dev = cmd->se_dev;
- struct fd_dev *dev = se_dev->dev_ptr;
+ struct fd_dev *dev = FD_DEV(se_dev);
struct file *fd = dev->fd_file;
struct scatterlist *sg;
struct iovec *iov;
mm_segment_t old_fs;
- loff_t pos = (cmd->t_task_lba *
- se_dev->se_sub_dev->se_dev_attrib.block_size);
+ loff_t pos = (cmd->t_task_lba * se_dev->dev_attrib.block_size);
int ret, i = 0;
iov = kzalloc(sizeof(struct iovec) * sgl_nents, GFP_KERNEL);
static int fd_execute_sync_cache(struct se_cmd *cmd)
{
struct se_device *dev = cmd->se_dev;
- struct fd_dev *fd_dev = dev->dev_ptr;
+ struct fd_dev *fd_dev = FD_DEV(dev);
int immed = (cmd->t_task_cdb[1] & 0x2);
loff_t start, end;
int ret;
start = 0;
end = LLONG_MAX;
} else {
- start = cmd->t_task_lba * dev->se_sub_dev->se_dev_attrib.block_size;
+ start = cmd->t_task_lba * dev->dev_attrib.block_size;
if (cmd->data_length)
end = start + cmd->data_length;
else
* Allow this to happen independent of WCE=0 setting.
*/
if (ret > 0 &&
- dev->se_sub_dev->se_dev_attrib.emulate_fua_write > 0 &&
+ dev->dev_attrib.emulate_fua_write > 0 &&
(cmd->se_cmd_flags & SCF_FUA)) {
- struct fd_dev *fd_dev = dev->dev_ptr;
+ struct fd_dev *fd_dev = FD_DEV(dev);
loff_t start = cmd->t_task_lba *
- dev->se_sub_dev->se_dev_attrib.block_size;
+ dev->dev_attrib.block_size;
loff_t end = start + cmd->data_length;
vfs_fsync_range(fd_dev->fd_file, start, end, 1);
{Opt_err, NULL}
};
-static ssize_t fd_set_configfs_dev_params(
- struct se_hba *hba,
- struct se_subsystem_dev *se_dev,
- const char *page, ssize_t count)
+static ssize_t fd_set_configfs_dev_params(struct se_device *dev,
+ const char *page, ssize_t count)
{
- struct fd_dev *fd_dev = se_dev->se_dev_su_ptr;
+ struct fd_dev *fd_dev = FD_DEV(dev);
char *orig, *ptr, *arg_p, *opts;
substring_t args[MAX_OPT_ARGS];
int ret = 0, arg, token;
return (!ret) ? count : ret;
}
-static ssize_t fd_check_configfs_dev_params(struct se_hba *hba, struct se_subsystem_dev *se_dev)
-{
- struct fd_dev *fd_dev = se_dev->se_dev_su_ptr;
-
- if (!(fd_dev->fbd_flags & FBDF_HAS_PATH)) {
- pr_err("Missing fd_dev_name=\n");
- return -EINVAL;
- }
-
- return 0;
-}
-
-static ssize_t fd_show_configfs_dev_params(
- struct se_hba *hba,
- struct se_subsystem_dev *se_dev,
- char *b)
+static ssize_t fd_show_configfs_dev_params(struct se_device *dev, char *b)
{
- struct fd_dev *fd_dev = se_dev->se_dev_su_ptr;
+ struct fd_dev *fd_dev = FD_DEV(dev);
ssize_t bl = 0;
bl = sprintf(b + bl, "TCM FILEIO ID: %u", fd_dev->fd_dev_id);
static sector_t fd_get_blocks(struct se_device *dev)
{
- struct fd_dev *fd_dev = dev->dev_ptr;
+ struct fd_dev *fd_dev = FD_DEV(dev);
struct file *f = fd_dev->fd_file;
struct inode *i = f->f_mapping->host;
unsigned long long dev_size;
else
dev_size = fd_dev->fd_dev_size;
- return div_u64(dev_size, dev->se_sub_dev->se_dev_attrib.block_size);
+ return div_u64(dev_size, dev->dev_attrib.block_size);
}
static struct spc_ops fd_spc_ops = {
static struct se_subsystem_api fileio_template = {
.name = "fileio",
+ .inquiry_prod = "FILEIO",
+ .inquiry_rev = FD_VERSION,
.owner = THIS_MODULE,
.transport_type = TRANSPORT_PLUGIN_VHBA_PDEV,
.attach_hba = fd_attach_hba,
.detach_hba = fd_detach_hba,
- .allocate_virtdevice = fd_allocate_virtdevice,
- .create_virtdevice = fd_create_virtdevice,
+ .alloc_device = fd_alloc_device,
+ .configure_device = fd_configure_device,
.free_device = fd_free_device,
.parse_cdb = fd_parse_cdb,
- .check_configfs_dev_params = fd_check_configfs_dev_params,
.set_configfs_dev_params = fd_set_configfs_dev_params,
.show_configfs_dev_params = fd_show_configfs_dev_params,
.get_device_rev = fd_get_device_rev,
#define FDBD_HAS_BUFFERED_IO_WCE 0x04
struct fd_dev {
+ struct se_device dev;
+
u32 fbd_flags;
unsigned char fd_dev_name[FD_MAX_DEV_NAME];
/* Unique Ramdisk Device ID in Ramdisk HBA */
return ERR_PTR(-ENOMEM);
}
- INIT_LIST_HEAD(&hba->hba_dev_list);
spin_lock_init(&hba->device_lock);
mutex_init(&hba->hba_access_mutex);
int
core_delete_hba(struct se_hba *hba)
{
- if (!list_empty(&hba->hba_dev_list))
- dump_stack();
+ WARN_ON(hba->dev_count);
hba->transport->detach_hba(hba);
#define IBLOCK_MAX_BIO_PER_TASK 32 /* max # of bios to submit at a time */
#define IBLOCK_BIO_POOL_SIZE 128
+static inline struct iblock_dev *IBLOCK_DEV(struct se_device *dev)
+{
+ return container_of(dev, struct iblock_dev, dev);
+}
+
+
static struct se_subsystem_api iblock_template;
static void iblock_bio_done(struct bio *, int);
{
}
-static void *iblock_allocate_virtdevice(struct se_hba *hba, const char *name)
+static struct se_device *iblock_alloc_device(struct se_hba *hba, const char *name)
{
struct iblock_dev *ib_dev = NULL;
pr_debug( "IBLOCK: Allocated ib_dev for %s\n", name);
- return ib_dev;
+ return &ib_dev->dev;
}
-static struct se_device *iblock_create_virtdevice(
- struct se_hba *hba,
- struct se_subsystem_dev *se_dev,
- void *p)
+static int iblock_configure_device(struct se_device *dev)
{
- struct iblock_dev *ib_dev = p;
- struct se_device *dev;
- struct se_dev_limits dev_limits;
- struct block_device *bd = NULL;
+ struct iblock_dev *ib_dev = IBLOCK_DEV(dev);
struct request_queue *q;
- struct queue_limits *limits;
- u32 dev_flags = 0;
+ struct block_device *bd = NULL;
fmode_t mode;
- int ret = -EINVAL;
+ int ret = -ENOMEM;
- if (!ib_dev) {
- pr_err("Unable to locate struct iblock_dev parameter\n");
- return ERR_PTR(ret);
+ if (!(ib_dev->ibd_flags & IBDF_HAS_UDEV_PATH)) {
+ pr_err("Missing udev_path= parameters for IBLOCK\n");
+ return -EINVAL;
}
- memset(&dev_limits, 0, sizeof(struct se_dev_limits));
ib_dev->ibd_bio_set = bioset_create(IBLOCK_BIO_POOL_SIZE, 0);
if (!ib_dev->ibd_bio_set) {
- pr_err("IBLOCK: Unable to create bioset()\n");
- return ERR_PTR(-ENOMEM);
+ pr_err("IBLOCK: Unable to create bioset\n");
+ goto out;
}
- pr_debug("IBLOCK: Created bio_set()\n");
- /*
- * iblock_check_configfs_dev_params() ensures that ib_dev->ibd_udev_path
- * must already have been set in order for echo 1 > $HBA/$DEV/enable to run.
- */
+
pr_debug( "IBLOCK: Claiming struct block_device: %s\n",
ib_dev->ibd_udev_path);
bd = blkdev_get_by_path(ib_dev->ibd_udev_path, mode, ib_dev);
if (IS_ERR(bd)) {
ret = PTR_ERR(bd);
- goto failed;
+ goto out_free_bioset;
}
- /*
- * Setup the local scope queue_limits from struct request_queue->limits
- * to pass into transport_add_device_to_core_hba() as struct se_dev_limits.
- */
- q = bdev_get_queue(bd);
- limits = &dev_limits.limits;
- limits->logical_block_size = bdev_logical_block_size(bd);
- limits->max_hw_sectors = UINT_MAX;
- limits->max_sectors = UINT_MAX;
- dev_limits.hw_queue_depth = q->nr_requests;
- dev_limits.queue_depth = q->nr_requests;
-
ib_dev->ibd_bd = bd;
- dev = transport_add_device_to_core_hba(hba,
- &iblock_template, se_dev, dev_flags, ib_dev,
- &dev_limits, "IBLOCK", IBLOCK_VERSION);
- if (!dev)
- goto failed;
+ q = bdev_get_queue(bd);
+
+ dev->dev_attrib.hw_block_size = bdev_logical_block_size(bd);
+ dev->dev_attrib.hw_max_sectors = UINT_MAX;
+ dev->dev_attrib.hw_queue_depth = q->nr_requests;
/*
* Check if the underlying struct block_device request_queue supports
* in ATA and we need to set TPE=1
*/
if (blk_queue_discard(q)) {
- dev->se_sub_dev->se_dev_attrib.max_unmap_lba_count =
+ dev->dev_attrib.max_unmap_lba_count =
q->limits.max_discard_sectors;
+
/*
* Currently hardcoded to 1 in Linux/SCSI code..
*/
- dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count = 1;
- dev->se_sub_dev->se_dev_attrib.unmap_granularity =
+ dev->dev_attrib.max_unmap_block_desc_count = 1;
+ dev->dev_attrib.unmap_granularity =
q->limits.discard_granularity >> 9;
- dev->se_sub_dev->se_dev_attrib.unmap_granularity_alignment =
+ dev->dev_attrib.unmap_granularity_alignment =
q->limits.discard_alignment;
pr_debug("IBLOCK: BLOCK Discard support available,"
}
if (blk_queue_nonrot(q))
- dev->se_sub_dev->se_dev_attrib.is_nonrot = 1;
-
- return dev;
+ dev->dev_attrib.is_nonrot = 1;
+ return 0;
-failed:
- if (ib_dev->ibd_bio_set) {
- bioset_free(ib_dev->ibd_bio_set);
- ib_dev->ibd_bio_set = NULL;
- }
- ib_dev->ibd_bd = NULL;
- return ERR_PTR(ret);
+out_free_bioset:
+ bioset_free(ib_dev->ibd_bio_set);
+ ib_dev->ibd_bio_set = NULL;
+out:
+ return ret;
}
-static void iblock_free_device(void *p)
+static void iblock_free_device(struct se_device *dev)
{
- struct iblock_dev *ib_dev = p;
+ struct iblock_dev *ib_dev = IBLOCK_DEV(dev);
if (ib_dev->ibd_bd != NULL)
blkdev_put(ib_dev->ibd_bd, FMODE_WRITE|FMODE_READ|FMODE_EXCL);
bdev_logical_block_size(bd)) - 1);
u32 block_size = bdev_logical_block_size(bd);
- if (block_size == dev->se_sub_dev->se_dev_attrib.block_size)
+ if (block_size == dev->dev_attrib.block_size)
return blocks_long;
switch (block_size) {
case 4096:
- switch (dev->se_sub_dev->se_dev_attrib.block_size) {
+ switch (dev->dev_attrib.block_size) {
case 2048:
blocks_long <<= 1;
break;
}
break;
case 2048:
- switch (dev->se_sub_dev->se_dev_attrib.block_size) {
+ switch (dev->dev_attrib.block_size) {
case 4096:
blocks_long >>= 1;
break;
}
break;
case 1024:
- switch (dev->se_sub_dev->se_dev_attrib.block_size) {
+ switch (dev->dev_attrib.block_size) {
case 4096:
blocks_long >>= 2;
break;
}
break;
case 512:
- switch (dev->se_sub_dev->se_dev_attrib.block_size) {
+ switch (dev->dev_attrib.block_size) {
case 4096:
blocks_long >>= 3;
break;
*/
static int iblock_execute_sync_cache(struct se_cmd *cmd)
{
- struct iblock_dev *ib_dev = cmd->se_dev->dev_ptr;
+ struct iblock_dev *ib_dev = IBLOCK_DEV(cmd->se_dev);
int immed = (cmd->t_task_cdb[1] & 0x2);
struct bio *bio;
static int iblock_execute_unmap(struct se_cmd *cmd)
{
struct se_device *dev = cmd->se_dev;
- struct iblock_dev *ibd = dev->dev_ptr;
+ struct iblock_dev *ib_dev = IBLOCK_DEV(dev);
unsigned char *buf, *ptr = NULL;
sector_t lba;
int size;
else
size = bd_dl;
- if (size / 16 > dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count) {
+ if (size / 16 > dev->dev_attrib.max_unmap_block_desc_count) {
cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
ret = -EINVAL;
goto err;
pr_debug("UNMAP: Using lba: %llu and range: %u\n",
(unsigned long long)lba, range);
- if (range > dev->se_sub_dev->se_dev_attrib.max_unmap_lba_count) {
+ if (range > dev->dev_attrib.max_unmap_lba_count) {
cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST;
ret = -EINVAL;
goto err;
goto err;
}
- ret = blkdev_issue_discard(ibd->ibd_bd, lba, range,
+ ret = blkdev_issue_discard(ib_dev->ibd_bd, lba, range,
GFP_KERNEL, 0);
if (ret < 0) {
pr_err("blkdev_issue_discard() failed: %d\n",
static int iblock_execute_write_same(struct se_cmd *cmd)
{
- struct iblock_dev *ibd = cmd->se_dev->dev_ptr;
+ struct iblock_dev *ib_dev = IBLOCK_DEV(cmd->se_dev);
int ret;
- ret = blkdev_issue_discard(ibd->ibd_bd, cmd->t_task_lba,
+ ret = blkdev_issue_discard(ib_dev->ibd_bd, cmd->t_task_lba,
spc_get_write_same_sectors(cmd), GFP_KERNEL,
0);
if (ret < 0) {
{Opt_err, NULL}
};
-static ssize_t iblock_set_configfs_dev_params(struct se_hba *hba,
- struct se_subsystem_dev *se_dev,
- const char *page, ssize_t count)
+static ssize_t iblock_set_configfs_dev_params(struct se_device *dev,
+ const char *page, ssize_t count)
{
- struct iblock_dev *ib_dev = se_dev->se_dev_su_ptr;
+ struct iblock_dev *ib_dev = IBLOCK_DEV(dev);
char *orig, *ptr, *arg_p, *opts;
substring_t args[MAX_OPT_ARGS];
int ret = 0, token;
return (!ret) ? count : ret;
}
-static ssize_t iblock_check_configfs_dev_params(
- struct se_hba *hba,
- struct se_subsystem_dev *se_dev)
-{
- struct iblock_dev *ibd = se_dev->se_dev_su_ptr;
-
- if (!(ibd->ibd_flags & IBDF_HAS_UDEV_PATH)) {
- pr_err("Missing udev_path= parameters for IBLOCK\n");
- return -EINVAL;
- }
-
- return 0;
-}
-
-static ssize_t iblock_show_configfs_dev_params(
- struct se_hba *hba,
- struct se_subsystem_dev *se_dev,
- char *b)
+static ssize_t iblock_show_configfs_dev_params(struct se_device *dev, char *b)
{
- struct iblock_dev *ibd = se_dev->se_dev_su_ptr;
- struct block_device *bd = ibd->ibd_bd;
+ struct iblock_dev *ib_dev = IBLOCK_DEV(dev);
+ struct block_device *bd = ib_dev->ibd_bd;
char buf[BDEVNAME_SIZE];
ssize_t bl = 0;
if (bd)
bl += sprintf(b + bl, "iBlock device: %s",
bdevname(bd, buf));
- if (ibd->ibd_flags & IBDF_HAS_UDEV_PATH)
+ if (ib_dev->ibd_flags & IBDF_HAS_UDEV_PATH)
bl += sprintf(b + bl, " UDEV PATH: %s",
- ibd->ibd_udev_path);
- bl += sprintf(b + bl, " readonly: %d\n", ibd->ibd_readonly);
+ ib_dev->ibd_udev_path);
+ bl += sprintf(b + bl, " readonly: %d\n", ib_dev->ibd_readonly);
bl += sprintf(b + bl, " ");
if (bd) {
bl += sprintf(b + bl, "Major: %d Minor: %d %s\n",
MAJOR(bd->bd_dev), MINOR(bd->bd_dev), (!bd->bd_contains) ?
- "" : (bd->bd_holder == ibd) ?
+ "" : (bd->bd_holder == ib_dev) ?
"CLAIMED: IBLOCK" : "CLAIMED: OS");
} else {
bl += sprintf(b + bl, "Major: 0 Minor: 0\n");
static struct bio *
iblock_get_bio(struct se_cmd *cmd, sector_t lba, u32 sg_num)
{
- struct iblock_dev *ib_dev = cmd->se_dev->dev_ptr;
+ struct iblock_dev *ib_dev = IBLOCK_DEV(cmd->se_dev);
struct bio *bio;
/*
* Force data to disk if we pretend to not have a volatile
* write cache, or the initiator set the Force Unit Access bit.
*/
- if (dev->se_sub_dev->se_dev_attrib.emulate_write_cache == 0 ||
- (dev->se_sub_dev->se_dev_attrib.emulate_fua_write > 0 &&
+ if (dev->dev_attrib.emulate_write_cache == 0 ||
+ (dev->dev_attrib.emulate_fua_write > 0 &&
(cmd->se_cmd_flags & SCF_FUA)))
rw = WRITE_FUA;
else
* Convert the blocksize advertised to the initiator to the 512 byte
* units unconditionally used by the Linux block layer.
*/
- if (dev->se_sub_dev->se_dev_attrib.block_size == 4096)
+ if (dev->dev_attrib.block_size == 4096)
block_lba = (cmd->t_task_lba << 3);
- else if (dev->se_sub_dev->se_dev_attrib.block_size == 2048)
+ else if (dev->dev_attrib.block_size == 2048)
block_lba = (cmd->t_task_lba << 2);
- else if (dev->se_sub_dev->se_dev_attrib.block_size == 1024)
+ else if (dev->dev_attrib.block_size == 1024)
block_lba = (cmd->t_task_lba << 1);
- else if (dev->se_sub_dev->se_dev_attrib.block_size == 512)
+ else if (dev->dev_attrib.block_size == 512)
block_lba = cmd->t_task_lba;
else {
pr_err("Unsupported SCSI -> BLOCK LBA conversion:"
- " %u\n", dev->se_sub_dev->se_dev_attrib.block_size);
+ " %u\n", dev->dev_attrib.block_size);
cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
return -ENOSYS;
}
static sector_t iblock_get_blocks(struct se_device *dev)
{
- struct iblock_dev *ibd = dev->dev_ptr;
- struct block_device *bd = ibd->ibd_bd;
+ struct iblock_dev *ib_dev = IBLOCK_DEV(dev);
+ struct block_device *bd = ib_dev->ibd_bd;
struct request_queue *q = bdev_get_queue(bd);
return iblock_emulate_read_cap_with_block_size(dev, bd, q);
static struct se_subsystem_api iblock_template = {
.name = "iblock",
+ .inquiry_prod = "IBLOCK",
+ .inquiry_rev = IBLOCK_VERSION,
.owner = THIS_MODULE,
.transport_type = TRANSPORT_PLUGIN_VHBA_PDEV,
.attach_hba = iblock_attach_hba,
.detach_hba = iblock_detach_hba,
- .allocate_virtdevice = iblock_allocate_virtdevice,
- .create_virtdevice = iblock_create_virtdevice,
+ .alloc_device = iblock_alloc_device,
+ .configure_device = iblock_configure_device,
.free_device = iblock_free_device,
.parse_cdb = iblock_parse_cdb,
- .check_configfs_dev_params = iblock_check_configfs_dev_params,
.set_configfs_dev_params = iblock_set_configfs_dev_params,
.show_configfs_dev_params = iblock_show_configfs_dev_params,
.get_device_rev = iblock_get_device_rev,
#define IBDF_HAS_UDEV_PATH 0x01
struct iblock_dev {
+ struct se_device dev;
unsigned char ibd_udev_path[SE_UDEV_PATH_LEN];
u32 ibd_flags;
struct bio_set *ibd_bio_set;
void core_dev_unexport(struct se_device *, struct se_portal_group *,
struct se_lun *);
int target_report_luns(struct se_cmd *);
-void se_release_device_for_hba(struct se_device *);
-void se_release_vpd_for_dev(struct se_device *);
-int se_free_virtual_device(struct se_device *, struct se_hba *);
-int se_dev_check_online(struct se_device *);
-int se_dev_check_shutdown(struct se_device *);
-void se_dev_set_default_attribs(struct se_device *, struct se_dev_limits *);
int se_dev_set_task_timeout(struct se_device *, u32);
int se_dev_set_max_unmap_lba_count(struct se_device *, u32);
int se_dev_set_max_unmap_block_desc_count(struct se_device *, u32);
struct se_lun_acl *lacl);
int core_dev_setup_virtual_lun0(void);
void core_dev_release_virtual_lun0(void);
+struct se_device *target_alloc_device(struct se_hba *hba, const char *name);
+int target_configure_device(struct se_device *dev);
+void target_free_device(struct se_device *);
/* target_core_hba.c */
struct se_hba *core_alloc_hba(const char *, u32, u32);
int transport_clear_lun_from_sessions(struct se_lun *);
void transport_send_task_abort(struct se_cmd *);
int target_cmd_size_check(struct se_cmd *cmd, unsigned int size);
+void target_qf_do_work(struct work_struct *work);
/* target_core_stat.c */
-void target_stat_setup_dev_default_groups(struct se_subsystem_dev *);
+void target_stat_setup_dev_default_groups(struct se_device *);
void target_stat_setup_port_default_groups(struct se_lun *);
void target_stat_setup_mappedlun_default_groups(struct se_lun_acl *);
spin_unlock(&dev->dev_reservation_lock);
return -EINVAL;
}
- if (!(dev->dev_flags & DF_SPC2_RESERVATIONS_WITH_ISID)) {
+ if (!(dev->dev_reservation_flags & DRF_SPC2_RESERVATIONS_WITH_ISID)) {
spin_unlock(&dev->dev_reservation_lock);
return 0;
}
static int target_check_scsi2_reservation_conflict(struct se_cmd *cmd)
{
struct se_session *se_sess = cmd->se_sess;
- struct se_subsystem_dev *su_dev = cmd->se_dev->se_sub_dev;
+ struct se_device *dev = cmd->se_dev;
struct t10_pr_registration *pr_reg;
- struct t10_reservation *pr_tmpl = &su_dev->t10_pr;
- int crh = (su_dev->t10_pr.res_type == SPC3_PERSISTENT_RESERVATIONS);
+ struct t10_reservation *pr_tmpl = &dev->t10_pr;
+ int crh = (dev->t10_pr.res_type == SPC3_PERSISTENT_RESERVATIONS);
int conflict = 0;
if (!crh)
goto out_unlock;
dev->dev_reserved_node_acl = NULL;
- dev->dev_flags &= ~DF_SPC2_RESERVATIONS;
- if (dev->dev_flags & DF_SPC2_RESERVATIONS_WITH_ISID) {
+ dev->dev_reservation_flags &= ~DRF_SPC2_RESERVATIONS;
+ if (dev->dev_reservation_flags & DRF_SPC2_RESERVATIONS_WITH_ISID) {
dev->dev_res_bin_isid = 0;
- dev->dev_flags &= ~DF_SPC2_RESERVATIONS_WITH_ISID;
+ dev->dev_reservation_flags &= ~DRF_SPC2_RESERVATIONS_WITH_ISID;
}
tpg = sess->se_tpg;
pr_debug("SCSI-2 Released reservation for %s LUN: %u ->"
}
dev->dev_reserved_node_acl = sess->se_node_acl;
- dev->dev_flags |= DF_SPC2_RESERVATIONS;
+ dev->dev_reservation_flags |= DRF_SPC2_RESERVATIONS;
if (sess->sess_bin_isid != 0) {
dev->dev_res_bin_isid = sess->sess_bin_isid;
- dev->dev_flags |= DF_SPC2_RESERVATIONS_WITH_ISID;
+ dev->dev_reservation_flags |= DRF_SPC2_RESERVATIONS_WITH_ISID;
}
pr_debug("SCSI-2 Reserved %s LUN: %u -> MAPPED LUN: %u"
" for %s\n", tpg->se_tpg_tfo->get_fabric_name(),
/*
* A legacy SPC-2 reservation is being held.
*/
- if (cmd->se_dev->dev_flags & DF_SPC2_RESERVATIONS)
+ if (cmd->se_dev->dev_reservation_flags & DRF_SPC2_RESERVATIONS)
return core_scsi2_reservation_seq_non_holder(cmd,
cdb, pr_reg_type);
static u32 core_scsi3_pr_generation(struct se_device *dev)
{
- struct se_subsystem_dev *su_dev = dev->se_sub_dev;
u32 prg;
+
/*
* PRGeneration field shall contain the value of a 32-bit wrapping
* counter mainted by the device server.
* See spc4r17 section 6.3.12 READ_KEYS service action
*/
spin_lock(&dev->dev_reservation_lock);
- prg = su_dev->t10_pr.pr_generation++;
+ prg = dev->t10_pr.pr_generation++;
spin_unlock(&dev->dev_reservation_lock);
return prg;
/*
* A legacy SPC-2 reservation is being held.
*/
- if (dev->dev_flags & DF_SPC2_RESERVATIONS)
+ if (dev->dev_reservation_flags & DRF_SPC2_RESERVATIONS)
return core_scsi2_reservation_check(cmd, pr_reg_type);
spin_lock(&dev->dev_reservation_lock);
int all_tg_pt,
int aptpl)
{
- struct se_subsystem_dev *su_dev = dev->se_sub_dev;
struct t10_pr_registration *pr_reg;
pr_reg = kmem_cache_zalloc(t10_pr_reg_cache, GFP_ATOMIC);
return NULL;
}
- pr_reg->pr_aptpl_buf = kzalloc(su_dev->t10_pr.pr_aptpl_buf_len,
+ pr_reg->pr_aptpl_buf = kzalloc(dev->t10_pr.pr_aptpl_buf_len,
GFP_ATOMIC);
if (!pr_reg->pr_aptpl_buf) {
pr_err("Unable to allocate pr_reg->pr_aptpl_buf\n");
struct se_dev_entry *deve)
{
struct t10_pr_registration *pr_reg, *pr_reg_tmp;
- struct t10_reservation *pr_tmpl = &dev->se_sub_dev->t10_pr;
+ struct t10_reservation *pr_tmpl = &dev->t10_pr;
unsigned char i_port[PR_APTPL_MAX_IPORT_LEN];
unsigned char t_port[PR_APTPL_MAX_TPORT_LEN];
u16 tpgt;
struct se_lun *lun,
struct se_lun_acl *lun_acl)
{
- struct se_subsystem_dev *su_dev = dev->se_sub_dev;
struct se_node_acl *nacl = lun_acl->se_lun_nacl;
struct se_dev_entry *deve = nacl->device_list[lun_acl->mapped_lun];
- if (su_dev->t10_pr.res_type != SPC3_PERSISTENT_RESERVATIONS)
+ if (dev->t10_pr.res_type != SPC3_PERSISTENT_RESERVATIONS)
return 0;
return __core_scsi3_check_aptpl_registration(dev, tpg, lun,
int register_type,
int register_move)
{
- struct se_subsystem_dev *su_dev = dev->se_sub_dev;
struct target_core_fabric_ops *tfo = nacl->se_tpg->se_tpg_tfo;
struct t10_pr_registration *pr_reg_tmp, *pr_reg_tmp_safe;
- struct t10_reservation *pr_tmpl = &dev->se_sub_dev->t10_pr;
+ struct t10_reservation *pr_tmpl = &dev->t10_pr;
/*
* Increment PRgeneration counter for struct se_device upon a successful
* for the REGISTER.
*/
pr_reg->pr_res_generation = (register_move) ?
- su_dev->t10_pr.pr_generation++ :
+ dev->t10_pr.pr_generation++ :
core_scsi3_pr_generation(dev);
spin_lock(&pr_tmpl->registration_lock);
struct se_node_acl *nacl,
unsigned char *isid)
{
- struct t10_reservation *pr_tmpl = &dev->se_sub_dev->t10_pr;
+ struct t10_reservation *pr_tmpl = &dev->t10_pr;
struct t10_pr_registration *pr_reg, *pr_reg_tmp;
struct se_portal_group *tpg;
* for fabric modules (iSCSI) requiring them.
*/
if (tpg->se_tpg_tfo->sess_get_initiator_sid != NULL) {
- if (dev->se_sub_dev->se_dev_attrib.enforce_pr_isids)
+ if (dev->dev_attrib.enforce_pr_isids)
continue;
}
atomic_inc(&pr_reg->pr_res_holders);
{
struct target_core_fabric_ops *tfo =
pr_reg->pr_reg_nacl->se_tpg->se_tpg_tfo;
- struct t10_reservation *pr_tmpl = &dev->se_sub_dev->t10_pr;
+ struct t10_reservation *pr_tmpl = &dev->t10_pr;
char i_buf[PR_REG_ISID_ID_LEN];
int prf_isid;
struct se_device *dev,
struct se_node_acl *nacl)
{
- struct t10_reservation *pr_tmpl = &dev->se_sub_dev->t10_pr;
+ struct t10_reservation *pr_tmpl = &dev->t10_pr;
struct t10_pr_registration *pr_reg, *pr_reg_tmp, *pr_res_holder;
/*
* If the passed se_node_acl matches the reservation holder,
void core_scsi3_free_all_registrations(
struct se_device *dev)
{
- struct t10_reservation *pr_tmpl = &dev->se_sub_dev->t10_pr;
+ struct t10_reservation *pr_tmpl = &dev->t10_pr;
struct t10_pr_registration *pr_reg, *pr_reg_tmp, *pr_res_holder;
spin_lock(&dev->dev_reservation_lock);
{
struct se_lun *lun;
struct se_portal_group *tpg;
- struct se_subsystem_dev *su_dev = dev->se_sub_dev;
struct t10_pr_registration *pr_reg;
unsigned char tmp[512], isid_buf[32];
ssize_t len = 0;
/*
* Walk the registration list..
*/
- spin_lock(&su_dev->t10_pr.registration_lock);
- list_for_each_entry(pr_reg, &su_dev->t10_pr.registration_list,
+ spin_lock(&dev->t10_pr.registration_lock);
+ list_for_each_entry(pr_reg, &dev->t10_pr.registration_list,
pr_reg_list) {
tmp[0] = '\0';
if ((len + strlen(tmp) >= pr_aptpl_buf_len)) {
pr_err("Unable to update renaming"
" APTPL metadata\n");
- spin_unlock(&su_dev->t10_pr.registration_lock);
+ spin_unlock(&dev->t10_pr.registration_lock);
return -EMSGSIZE;
}
len += sprintf(buf+len, "%s", tmp);
if ((len + strlen(tmp) >= pr_aptpl_buf_len)) {
pr_err("Unable to update renaming"
" APTPL metadata\n");
- spin_unlock(&su_dev->t10_pr.registration_lock);
+ spin_unlock(&dev->t10_pr.registration_lock);
return -EMSGSIZE;
}
len += sprintf(buf+len, "%s", tmp);
reg_count++;
}
- spin_unlock(&su_dev->t10_pr.registration_lock);
+ spin_unlock(&dev->t10_pr.registration_lock);
if (!reg_count)
len += sprintf(buf+len, "No Registrations or Reservations");
unsigned char *buf,
u32 pr_aptpl_buf_len)
{
- struct t10_wwn *wwn = &dev->se_sub_dev->t10_wwn;
+ struct t10_wwn *wwn = &dev->t10_wwn;
struct file *file;
struct iovec iov[1];
mm_segment_t old_fs;
struct se_lun *se_lun = cmd->se_lun;
struct se_portal_group *se_tpg;
struct t10_pr_registration *pr_reg, *pr_reg_p, *pr_reg_tmp, *pr_reg_e;
- struct t10_reservation *pr_tmpl = &dev->se_sub_dev->t10_pr;
+ struct t10_reservation *pr_tmpl = &dev->t10_pr;
/* Used for APTPL metadata w/ UNREGISTER */
unsigned char *pr_aptpl_buf = NULL;
unsigned char isid_buf[PR_REG_ISID_LEN], *isid_ptr = NULL;
struct se_session *se_sess = cmd->se_sess;
struct se_lun *se_lun = cmd->se_lun;
struct t10_pr_registration *pr_reg, *pr_res_holder;
- struct t10_reservation *pr_tmpl = &dev->se_sub_dev->t10_pr;
+ struct t10_reservation *pr_tmpl = &dev->t10_pr;
char i_buf[PR_REG_ISID_ID_LEN];
int ret, prf_isid;
struct se_session *se_sess = cmd->se_sess;
struct se_lun *se_lun = cmd->se_lun;
struct t10_pr_registration *pr_reg, *pr_reg_p, *pr_res_holder;
- struct t10_reservation *pr_tmpl = &dev->se_sub_dev->t10_pr;
+ struct t10_reservation *pr_tmpl = &dev->t10_pr;
int ret, all_reg = 0;
if (!se_sess || !se_lun) {
struct se_device *dev = cmd->se_dev;
struct se_node_acl *pr_reg_nacl;
struct se_session *se_sess = cmd->se_sess;
- struct t10_reservation *pr_tmpl = &dev->se_sub_dev->t10_pr;
+ struct t10_reservation *pr_tmpl = &dev->t10_pr;
struct t10_pr_registration *pr_reg, *pr_reg_tmp, *pr_reg_n, *pr_res_holder;
u32 pr_res_mapped_lun = 0;
int calling_it_nexus = 0;
struct se_session *se_sess = cmd->se_sess;
LIST_HEAD(preempt_and_abort_list);
struct t10_pr_registration *pr_reg, *pr_reg_tmp, *pr_reg_n, *pr_res_holder;
- struct t10_reservation *pr_tmpl = &dev->se_sub_dev->t10_pr;
+ struct t10_reservation *pr_tmpl = &dev->t10_pr;
u32 pr_res_mapped_lun = 0;
int all_reg = 0, calling_it_nexus = 0, released_regs = 0;
int prh_type = 0, prh_scope = 0, ret;
struct se_portal_group *se_tpg, *dest_se_tpg = NULL;
struct target_core_fabric_ops *dest_tf_ops = NULL, *tf_ops;
struct t10_pr_registration *pr_reg, *pr_res_holder, *dest_pr_reg;
- struct t10_reservation *pr_tmpl = &dev->se_sub_dev->t10_pr;
+ struct t10_reservation *pr_tmpl = &dev->t10_pr;
unsigned char *buf;
unsigned char *initiator_str;
char *iport_ptr = NULL, dest_iport[64], i_buf[PR_REG_ISID_ID_LEN];
* initiator or service action and shall terminate with a RESERVATION
* CONFLICT status.
*/
- if (cmd->se_dev->dev_flags & DF_SPC2_RESERVATIONS) {
+ if (cmd->se_dev->dev_reservation_flags & DRF_SPC2_RESERVATIONS) {
pr_err("Received PERSISTENT_RESERVE CDB while legacy"
" SPC-2 reservation is held, returning"
" RESERVATION_CONFLICT\n");
*/
static int core_scsi3_pri_read_keys(struct se_cmd *cmd)
{
- struct se_device *se_dev = cmd->se_dev;
- struct se_subsystem_dev *su_dev = se_dev->se_sub_dev;
+ struct se_device *dev = cmd->se_dev;
struct t10_pr_registration *pr_reg;
unsigned char *buf;
u32 add_len = 0, off = 8;
}
buf = transport_kmap_data_sg(cmd);
- buf[0] = ((su_dev->t10_pr.pr_generation >> 24) & 0xff);
- buf[1] = ((su_dev->t10_pr.pr_generation >> 16) & 0xff);
- buf[2] = ((su_dev->t10_pr.pr_generation >> 8) & 0xff);
- buf[3] = (su_dev->t10_pr.pr_generation & 0xff);
+ buf[0] = ((dev->t10_pr.pr_generation >> 24) & 0xff);
+ buf[1] = ((dev->t10_pr.pr_generation >> 16) & 0xff);
+ buf[2] = ((dev->t10_pr.pr_generation >> 8) & 0xff);
+ buf[3] = (dev->t10_pr.pr_generation & 0xff);
- spin_lock(&su_dev->t10_pr.registration_lock);
- list_for_each_entry(pr_reg, &su_dev->t10_pr.registration_list,
+ spin_lock(&dev->t10_pr.registration_lock);
+ list_for_each_entry(pr_reg, &dev->t10_pr.registration_list,
pr_reg_list) {
/*
* Check for overflow of 8byte PRI READ_KEYS payload and
add_len += 8;
}
- spin_unlock(&su_dev->t10_pr.registration_lock);
+ spin_unlock(&dev->t10_pr.registration_lock);
buf[4] = ((add_len >> 24) & 0xff);
buf[5] = ((add_len >> 16) & 0xff);
*/
static int core_scsi3_pri_read_reservation(struct se_cmd *cmd)
{
- struct se_device *se_dev = cmd->se_dev;
- struct se_subsystem_dev *su_dev = se_dev->se_sub_dev;
+ struct se_device *dev = cmd->se_dev;
struct t10_pr_registration *pr_reg;
unsigned char *buf;
u64 pr_res_key;
}
buf = transport_kmap_data_sg(cmd);
- buf[0] = ((su_dev->t10_pr.pr_generation >> 24) & 0xff);
- buf[1] = ((su_dev->t10_pr.pr_generation >> 16) & 0xff);
- buf[2] = ((su_dev->t10_pr.pr_generation >> 8) & 0xff);
- buf[3] = (su_dev->t10_pr.pr_generation & 0xff);
+ buf[0] = ((dev->t10_pr.pr_generation >> 24) & 0xff);
+ buf[1] = ((dev->t10_pr.pr_generation >> 16) & 0xff);
+ buf[2] = ((dev->t10_pr.pr_generation >> 8) & 0xff);
+ buf[3] = (dev->t10_pr.pr_generation & 0xff);
- spin_lock(&se_dev->dev_reservation_lock);
- pr_reg = se_dev->dev_pr_res_holder;
+ spin_lock(&dev->dev_reservation_lock);
+ pr_reg = dev->dev_pr_res_holder;
if (pr_reg) {
/*
* Set the hardcoded Additional Length
}
err:
- spin_unlock(&se_dev->dev_reservation_lock);
+ spin_unlock(&dev->dev_reservation_lock);
transport_kunmap_data_sg(cmd);
return 0;
static int core_scsi3_pri_report_capabilities(struct se_cmd *cmd)
{
struct se_device *dev = cmd->se_dev;
- struct t10_reservation *pr_tmpl = &dev->se_sub_dev->t10_pr;
+ struct t10_reservation *pr_tmpl = &dev->t10_pr;
unsigned char *buf;
u16 add_len = 8; /* Hardcoded to 8. */
*/
static int core_scsi3_pri_read_full_status(struct se_cmd *cmd)
{
- struct se_device *se_dev = cmd->se_dev;
+ struct se_device *dev = cmd->se_dev;
struct se_node_acl *se_nacl;
- struct se_subsystem_dev *su_dev = se_dev->se_sub_dev;
struct se_portal_group *se_tpg;
struct t10_pr_registration *pr_reg, *pr_reg_tmp;
- struct t10_reservation *pr_tmpl = &se_dev->se_sub_dev->t10_pr;
+ struct t10_reservation *pr_tmpl = &dev->t10_pr;
unsigned char *buf;
u32 add_desc_len = 0, add_len = 0, desc_len, exp_desc_len;
u32 off = 8; /* off into first Full Status descriptor */
buf = transport_kmap_data_sg(cmd);
- buf[0] = ((su_dev->t10_pr.pr_generation >> 24) & 0xff);
- buf[1] = ((su_dev->t10_pr.pr_generation >> 16) & 0xff);
- buf[2] = ((su_dev->t10_pr.pr_generation >> 8) & 0xff);
- buf[3] = (su_dev->t10_pr.pr_generation & 0xff);
+ buf[0] = ((dev->t10_pr.pr_generation >> 24) & 0xff);
+ buf[1] = ((dev->t10_pr.pr_generation >> 16) & 0xff);
+ buf[2] = ((dev->t10_pr.pr_generation >> 8) & 0xff);
+ buf[3] = (dev->t10_pr.pr_generation & 0xff);
spin_lock(&pr_tmpl->registration_lock);
list_for_each_entry_safe(pr_reg, pr_reg_tmp,
* initiator or service action and shall terminate with a RESERVATION
* CONFLICT status.
*/
- if (cmd->se_dev->dev_flags & DF_SPC2_RESERVATIONS) {
+ if (cmd->se_dev->dev_reservation_flags & DRF_SPC2_RESERVATIONS) {
pr_err("Received PERSISTENT_RESERVE CDB while legacy"
" SPC-2 reservation is held, returning"
" RESERVATION_CONFLICT\n");
return 0;
}
-int core_setup_reservations(struct se_device *dev, int force_pt)
+void core_setup_reservations(struct se_device *dev)
{
- struct se_subsystem_dev *su_dev = dev->se_sub_dev;
- struct t10_reservation *rest = &su_dev->t10_pr;
+ struct t10_reservation *rest = &dev->t10_pr;
+
/*
* If this device is from Target_Core_Mod/pSCSI, use the reservations
* of the Underlying SCSI hardware. In Linux/SCSI terms, this can
* cause a problem because libata and some SATA RAID HBAs appear
* under Linux/SCSI, but to emulate reservations themselves.
*/
- if (((dev->transport->transport_type == TRANSPORT_PLUGIN_PHBA_PDEV) &&
- !(dev->se_sub_dev->se_dev_attrib.emulate_reservations)) || force_pt) {
+ if ((dev->se_hba->hba_flags & HBA_FLAGS_INTERNAL_USE) ||
+ (dev->transport->transport_type == TRANSPORT_PLUGIN_PHBA_PDEV &&
+ !dev->dev_attrib.emulate_reservations)) {
rest->res_type = SPC_PASSTHROUGH;
rest->pr_ops.t10_reservation_check = &core_pt_reservation_check;
rest->pr_ops.t10_seq_non_holder = &core_pt_seq_non_holder;
pr_debug("%s: Using SPC_PASSTHROUGH, no reservation"
" emulation\n", dev->transport->name);
- return 0;
- }
- /*
- * If SPC-3 or above is reported by real or emulated struct se_device,
- * use emulated Persistent Reservations.
- */
- if (dev->transport->get_device_rev(dev) >= SCSI_3) {
+ } else if (dev->transport->get_device_rev(dev) >= SCSI_3) {
rest->res_type = SPC3_PERSISTENT_RESERVATIONS;
rest->pr_ops.t10_reservation_check = &core_scsi3_pr_reservation_check;
rest->pr_ops.t10_seq_non_holder = &core_scsi3_pr_seq_non_holder;
pr_debug("%s: Using SPC2_RESERVATIONS emulation\n",
dev->transport->name);
}
-
- return 0;
}
extern int target_scsi3_emulate_pr_in(struct se_cmd *);
extern int target_scsi3_emulate_pr_out(struct se_cmd *);
-extern int core_setup_reservations(struct se_device *, int);
+extern void core_setup_reservations(struct se_device *);
#endif /* TARGET_CORE_PR_H */
#define ISPRINT(a) ((a >= ' ') && (a <= '~'))
+static inline struct pscsi_dev_virt *PSCSI_DEV(struct se_device *dev)
+{
+ return container_of(dev, struct pscsi_dev_virt, dev);
+}
+
static struct se_subsystem_api pscsi_template;
static int pscsi_execute_cmd(struct se_cmd *cmd);
snprintf(&wwn->unit_serial[0], INQUIRY_VPD_SERIAL_LEN, "%s", &buf[4]);
- wwn->t10_sub_dev->su_dev_flags |= SDF_FIRMWARE_VPD_UNIT_SERIAL;
+ wwn->t10_dev->dev_flags |= DF_FIRMWARE_VPD_UNIT_SERIAL;
kfree(buf);
return 0;
kfree(buf);
}
-/* pscsi_add_device_to_list():
- *
- *
- */
-static struct se_device *pscsi_add_device_to_list(
- struct se_hba *hba,
- struct se_subsystem_dev *se_dev,
- struct pscsi_dev_virt *pdv,
- struct scsi_device *sd,
- int dev_flags)
+static int pscsi_add_device_to_list(struct se_device *dev,
+ struct scsi_device *sd)
{
- struct se_device *dev;
- struct se_dev_limits dev_limits;
- struct request_queue *q;
- struct queue_limits *limits;
+ struct pscsi_dev_virt *pdv = PSCSI_DEV(dev);
+ struct request_queue *q = sd->request_queue;
- memset(&dev_limits, 0, sizeof(struct se_dev_limits));
+ pdv->pdv_sd = sd;
if (!sd->queue_depth) {
sd->queue_depth = PSCSI_DEFAULT_QUEUEDEPTH;
" queue_depth to %d\n", sd->channel, sd->id,
sd->lun, sd->queue_depth);
}
- /*
- * Setup the local scope queue_limits from struct request_queue->limits
- * to pass into transport_add_device_to_core_hba() as struct se_dev_limits.
- */
- q = sd->request_queue;
- limits = &dev_limits.limits;
- limits->logical_block_size = sd->sector_size;
- limits->max_hw_sectors = min_t(int, sd->host->max_sectors, queue_max_hw_sectors(q));
- limits->max_sectors = min_t(int, sd->host->max_sectors, queue_max_sectors(q));
- dev_limits.hw_queue_depth = sd->queue_depth;
- dev_limits.queue_depth = sd->queue_depth;
+
+ dev->dev_attrib.hw_block_size = sd->sector_size;
+ dev->dev_attrib.hw_max_sectors =
+ min_t(int, sd->host->max_sectors, queue_max_hw_sectors(q));
+ dev->dev_attrib.hw_queue_depth = sd->queue_depth;
+
/*
* Setup our standard INQUIRY info into se_dev->t10_wwn
*/
- pscsi_set_inquiry_info(sd, &se_dev->t10_wwn);
-
- /*
- * Set the pointer pdv->pdv_sd to from passed struct scsi_device,
- * which has already been referenced with Linux SCSI code with
- * scsi_device_get() in this file's pscsi_create_virtdevice().
- *
- * The passthrough operations called by the transport_add_device_*
- * function below will require this pointer to be set for passthroug
- * ops.
- *
- * For the shutdown case in pscsi_free_device(), this struct
- * scsi_device reference is released with Linux SCSI code
- * scsi_device_put() and the pdv->pdv_sd cleared.
- */
- pdv->pdv_sd = sd;
- dev = transport_add_device_to_core_hba(hba, &pscsi_template,
- se_dev, dev_flags, pdv,
- &dev_limits, NULL, NULL);
- if (!dev) {
- pdv->pdv_sd = NULL;
- return NULL;
- }
+ pscsi_set_inquiry_info(sd, &dev->t10_wwn);
/*
* Locate VPD WWN Information used for various purposes within
* the Storage Engine.
*/
- if (!pscsi_get_inquiry_vpd_serial(sd, &se_dev->t10_wwn)) {
+ if (!pscsi_get_inquiry_vpd_serial(sd, &dev->t10_wwn)) {
/*
* If VPD Unit Serial returned GOOD status, try
* VPD Device Identification page (0x83).
*/
- pscsi_get_inquiry_vpd_device_ident(sd, &se_dev->t10_wwn);
+ pscsi_get_inquiry_vpd_device_ident(sd, &dev->t10_wwn);
}
/*
*/
if (sd->type == TYPE_TAPE)
pscsi_tape_read_blocksize(dev, sd);
- return dev;
+ return 0;
}
-static void *pscsi_allocate_virtdevice(struct se_hba *hba, const char *name)
+static struct se_device *pscsi_alloc_device(struct se_hba *hba,
+ const char *name)
{
struct pscsi_dev_virt *pdv;
pr_err("Unable to allocate memory for struct pscsi_dev_virt\n");
return NULL;
}
- pdv->pdv_se_hba = hba;
pr_debug("PSCSI: Allocated pdv: %p for %s\n", pdv, name);
- return pdv;
+ return &pdv->dev;
}
/*
* Called with struct Scsi_Host->host_lock called.
*/
-static struct se_device *pscsi_create_type_disk(
- struct scsi_device *sd,
- struct pscsi_dev_virt *pdv,
- struct se_subsystem_dev *se_dev,
- struct se_hba *hba)
+static int pscsi_create_type_disk(struct se_device *dev, struct scsi_device *sd)
__releases(sh->host_lock)
{
- struct se_device *dev;
- struct pscsi_hba_virt *phv = pdv->pdv_se_hba->hba_ptr;
+ struct pscsi_hba_virt *phv = dev->se_hba->hba_ptr;
+ struct pscsi_dev_virt *pdv = PSCSI_DEV(dev);
struct Scsi_Host *sh = sd->host;
struct block_device *bd;
- u32 dev_flags = 0;
+ int ret;
if (scsi_device_get(sd)) {
pr_err("scsi_device_get() failed for %d:%d:%d:%d\n",
sh->host_no, sd->channel, sd->id, sd->lun);
spin_unlock_irq(sh->host_lock);
- return NULL;
+ return -EIO;
}
spin_unlock_irq(sh->host_lock);
/*
* Claim exclusive struct block_device access to struct scsi_device
* for TYPE_DISK using supplied udev_path
*/
- bd = blkdev_get_by_path(se_dev->se_dev_udev_path,
+ bd = blkdev_get_by_path(dev->udev_path,
FMODE_WRITE|FMODE_READ|FMODE_EXCL, pdv);
if (IS_ERR(bd)) {
pr_err("pSCSI: blkdev_get_by_path() failed\n");
scsi_device_put(sd);
- return NULL;
+ return PTR_ERR(bd);
}
pdv->pdv_bd = bd;
- dev = pscsi_add_device_to_list(hba, se_dev, pdv, sd, dev_flags);
- if (!dev) {
+ ret = pscsi_add_device_to_list(dev, sd);
+ if (ret) {
blkdev_put(pdv->pdv_bd, FMODE_WRITE|FMODE_READ|FMODE_EXCL);
scsi_device_put(sd);
- return NULL;
+ return ret;
}
+
pr_debug("CORE_PSCSI[%d] - Added TYPE_DISK for %d:%d:%d:%d\n",
phv->phv_host_id, sh->host_no, sd->channel, sd->id, sd->lun);
-
- return dev;
+ return 0;
}
/*
* Called with struct Scsi_Host->host_lock called.
*/
-static struct se_device *pscsi_create_type_rom(
- struct scsi_device *sd,
- struct pscsi_dev_virt *pdv,
- struct se_subsystem_dev *se_dev,
- struct se_hba *hba)
+static int pscsi_create_type_rom(struct se_device *dev, struct scsi_device *sd)
__releases(sh->host_lock)
{
- struct se_device *dev;
- struct pscsi_hba_virt *phv = pdv->pdv_se_hba->hba_ptr;
+ struct pscsi_hba_virt *phv = dev->se_hba->hba_ptr;
struct Scsi_Host *sh = sd->host;
- u32 dev_flags = 0;
+ int ret;
if (scsi_device_get(sd)) {
pr_err("scsi_device_get() failed for %d:%d:%d:%d\n",
sh->host_no, sd->channel, sd->id, sd->lun);
spin_unlock_irq(sh->host_lock);
- return NULL;
+ return -EIO;
}
spin_unlock_irq(sh->host_lock);
- dev = pscsi_add_device_to_list(hba, se_dev, pdv, sd, dev_flags);
- if (!dev) {
+ ret = pscsi_add_device_to_list(dev, sd);
+ if (ret) {
scsi_device_put(sd);
- return NULL;
+ return ret;
}
pr_debug("CORE_PSCSI[%d] - Added Type: %s for %d:%d:%d:%d\n",
phv->phv_host_id, scsi_device_type(sd->type), sh->host_no,
sd->channel, sd->id, sd->lun);
- return dev;
+ return 0;
}
/*
- *Called with struct Scsi_Host->host_lock called.
+ * Called with struct Scsi_Host->host_lock called.
*/
-static struct se_device *pscsi_create_type_other(
- struct scsi_device *sd,
- struct pscsi_dev_virt *pdv,
- struct se_subsystem_dev *se_dev,
- struct se_hba *hba)
+static int pscsi_create_type_other(struct se_device *dev,
+ struct scsi_device *sd)
__releases(sh->host_lock)
{
- struct se_device *dev;
- struct pscsi_hba_virt *phv = pdv->pdv_se_hba->hba_ptr;
+ struct pscsi_hba_virt *phv = dev->se_hba->hba_ptr;
struct Scsi_Host *sh = sd->host;
- u32 dev_flags = 0;
+ int ret;
spin_unlock_irq(sh->host_lock);
- dev = pscsi_add_device_to_list(hba, se_dev, pdv, sd, dev_flags);
- if (!dev)
- return NULL;
+ ret = pscsi_add_device_to_list(dev, sd);
+ if (ret)
+ return ret;
pr_debug("CORE_PSCSI[%d] - Added Type: %s for %d:%d:%d:%d\n",
phv->phv_host_id, scsi_device_type(sd->type), sh->host_no,
sd->channel, sd->id, sd->lun);
-
- return dev;
+ return 0;
}
-static struct se_device *pscsi_create_virtdevice(
- struct se_hba *hba,
- struct se_subsystem_dev *se_dev,
- void *p)
+int pscsi_configure_device(struct se_device *dev)
{
- struct pscsi_dev_virt *pdv = p;
- struct se_device *dev;
+ struct se_hba *hba = dev->se_hba;
+ struct pscsi_dev_virt *pdv = PSCSI_DEV(dev);
struct scsi_device *sd;
- struct pscsi_hba_virt *phv = hba->hba_ptr;
+ struct pscsi_hba_virt *phv = dev->se_hba->hba_ptr;
struct Scsi_Host *sh = phv->phv_lld_host;
int legacy_mode_enable = 0;
+ int ret;
- if (!pdv) {
- pr_err("Unable to locate struct pscsi_dev_virt"
- " parameter\n");
- return ERR_PTR(-EINVAL);
+ if (!(pdv->pdv_flags & PDF_HAS_CHANNEL_ID) ||
+ !(pdv->pdv_flags & PDF_HAS_TARGET_ID) ||
+ !(pdv->pdv_flags & PDF_HAS_LUN_ID)) {
+ pr_err("Missing scsi_channel_id=, scsi_target_id= and"
+ " scsi_lun_id= parameters\n");
+ return -EINVAL;
}
+
/*
* If not running in PHV_LLD_SCSI_HOST_NO mode, locate the
* struct Scsi_Host we will need to bring the TCM/pSCSI object online
if (phv->phv_mode == PHV_LLD_SCSI_HOST_NO) {
pr_err("pSCSI: Unable to locate struct"
" Scsi_Host for PHV_LLD_SCSI_HOST_NO\n");
- return ERR_PTR(-ENODEV);
+ return -ENODEV;
}
/*
* For the newer PHV_VIRTUAL_HOST_ID struct scsi_device
* reference, we enforce that udev_path has been set
*/
- if (!(se_dev->su_dev_flags & SDF_USING_UDEV_PATH)) {
+ if (!(dev->dev_flags & DF_USING_UDEV_PATH)) {
pr_err("pSCSI: udev_path attribute has not"
" been set before ENABLE=1\n");
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
}
/*
* If no scsi_host_id= was passed for PHV_VIRTUAL_HOST_ID,
* and enable for PHV_LLD_SCSI_HOST_NO mode.
*/
if (!(pdv->pdv_flags & PDF_HAS_VIRT_HOST_ID)) {
- spin_lock(&hba->device_lock);
- if (!list_empty(&hba->hba_dev_list)) {
+ if (hba->dev_count) {
pr_err("pSCSI: Unable to set hba_mode"
" with active devices\n");
- spin_unlock(&hba->device_lock);
- return ERR_PTR(-EEXIST);
+ return -EEXIST;
}
- spin_unlock(&hba->device_lock);
if (pscsi_pmode_enable_hba(hba, 1) != 1)
- return ERR_PTR(-ENODEV);
+ return -ENODEV;
legacy_mode_enable = 1;
hba->hba_flags |= HBA_FLAGS_PSCSI_MODE;
if (IS_ERR(sh)) {
pr_err("pSCSI: Unable to locate"
" pdv_host_id: %d\n", pdv->pdv_host_id);
- return ERR_CAST(sh);
+ return PTR_ERR(sh);
}
}
} else {
if (phv->phv_mode == PHV_VIRTUAL_HOST_ID) {
pr_err("pSCSI: PHV_VIRTUAL_HOST_ID set while"
" struct Scsi_Host exists\n");
- return ERR_PTR(-EEXIST);
+ return -EEXIST;
}
}
*/
switch (sd->type) {
case TYPE_DISK:
- dev = pscsi_create_type_disk(sd, pdv, se_dev, hba);
+ ret = pscsi_create_type_disk(dev, sd);
break;
case TYPE_ROM:
- dev = pscsi_create_type_rom(sd, pdv, se_dev, hba);
+ ret = pscsi_create_type_rom(dev, sd);
break;
default:
- dev = pscsi_create_type_other(sd, pdv, se_dev, hba);
+ ret = pscsi_create_type_other(dev, sd);
break;
}
- if (!dev) {
+ if (ret) {
if (phv->phv_mode == PHV_VIRTUAL_HOST_ID)
scsi_host_put(sh);
else if (legacy_mode_enable) {
hba->hba_flags &= ~HBA_FLAGS_PSCSI_MODE;
}
pdv->pdv_sd = NULL;
- return ERR_PTR(-ENODEV);
+ return ret;
}
- return dev;
+ return 0;
}
spin_unlock_irq(sh->host_lock);
hba->hba_flags &= ~HBA_FLAGS_PSCSI_MODE;
}
- return ERR_PTR(-ENODEV);
+ return -ENODEV;
}
-/* pscsi_free_device(): (Part of se_subsystem_api_t template)
- *
- *
- */
-static void pscsi_free_device(void *p)
+static void pscsi_free_device(struct se_device *dev)
{
- struct pscsi_dev_virt *pdv = p;
- struct pscsi_hba_virt *phv = pdv->pdv_se_hba->hba_ptr;
+ struct pscsi_dev_virt *pdv = PSCSI_DEV(dev);
+ struct pscsi_hba_virt *phv = dev->se_hba->hba_ptr;
struct scsi_device *sd = pdv->pdv_sd;
if (sd) {
static void pscsi_transport_complete(struct se_cmd *cmd, struct scatterlist *sg,
unsigned char *sense_buffer)
{
- struct pscsi_dev_virt *pdv = cmd->se_dev->dev_ptr;
+ struct pscsi_dev_virt *pdv = PSCSI_DEV(cmd->se_dev);
struct scsi_device *sd = pdv->pdv_sd;
int result;
struct pscsi_plugin_task *pt = cmd->priv;
{Opt_err, NULL}
};
-static ssize_t pscsi_set_configfs_dev_params(struct se_hba *hba,
- struct se_subsystem_dev *se_dev,
- const char *page,
- ssize_t count)
+static ssize_t pscsi_set_configfs_dev_params(struct se_device *dev,
+ const char *page, ssize_t count)
{
- struct pscsi_dev_virt *pdv = se_dev->se_dev_su_ptr;
- struct pscsi_hba_virt *phv = hba->hba_ptr;
+ struct pscsi_dev_virt *pdv = PSCSI_DEV(dev);
+ struct pscsi_hba_virt *phv = dev->se_hba->hba_ptr;
char *orig, *ptr, *opts;
substring_t args[MAX_OPT_ARGS];
int ret = 0, arg, token;
return (!ret) ? count : ret;
}
-static ssize_t pscsi_check_configfs_dev_params(
- struct se_hba *hba,
- struct se_subsystem_dev *se_dev)
-{
- struct pscsi_dev_virt *pdv = se_dev->se_dev_su_ptr;
-
- if (!(pdv->pdv_flags & PDF_HAS_CHANNEL_ID) ||
- !(pdv->pdv_flags & PDF_HAS_TARGET_ID) ||
- !(pdv->pdv_flags & PDF_HAS_LUN_ID)) {
- pr_err("Missing scsi_channel_id=, scsi_target_id= and"
- " scsi_lun_id= parameters\n");
- return -EINVAL;
- }
-
- return 0;
-}
-
-static ssize_t pscsi_show_configfs_dev_params(struct se_hba *hba,
- struct se_subsystem_dev *se_dev,
- char *b)
+static ssize_t pscsi_show_configfs_dev_params(struct se_device *dev, char *b)
{
- struct pscsi_hba_virt *phv = hba->hba_ptr;
- struct pscsi_dev_virt *pdv = se_dev->se_dev_su_ptr;
+ struct pscsi_hba_virt *phv = dev->se_hba->hba_ptr;
+ struct pscsi_dev_virt *pdv = PSCSI_DEV(dev);
struct scsi_device *sd = pdv->pdv_sd;
unsigned char host_id[16];
ssize_t bl;
u32 sgl_nents, enum dma_data_direction data_direction,
struct bio **hbio)
{
- struct pscsi_dev_virt *pdv = cmd->se_dev->dev_ptr;
+ struct pscsi_dev_virt *pdv = PSCSI_DEV(cmd->se_dev);
struct bio *bio = NULL, *tbio = NULL;
struct page *page;
struct scatterlist *sg;
struct scatterlist *sgl = cmd->t_data_sg;
u32 sgl_nents = cmd->t_data_nents;
enum dma_data_direction data_direction = cmd->data_direction;
- struct pscsi_dev_virt *pdv = cmd->se_dev->dev_ptr;
+ struct pscsi_dev_virt *pdv = PSCSI_DEV(cmd->se_dev);
struct pscsi_plugin_task *pt;
struct request *req;
struct bio *hbio;
*/
static u32 pscsi_get_device_rev(struct se_device *dev)
{
- struct pscsi_dev_virt *pdv = dev->dev_ptr;
+ struct pscsi_dev_virt *pdv = PSCSI_DEV(dev);
struct scsi_device *sd = pdv->pdv_sd;
return (sd->scsi_level - 1) ? sd->scsi_level - 1 : 1;
*/
static u32 pscsi_get_device_type(struct se_device *dev)
{
- struct pscsi_dev_virt *pdv = dev->dev_ptr;
+ struct pscsi_dev_virt *pdv = PSCSI_DEV(dev);
struct scsi_device *sd = pdv->pdv_sd;
return sd->type;
static sector_t pscsi_get_blocks(struct se_device *dev)
{
- struct pscsi_dev_virt *pdv = dev->dev_ptr;
+ struct pscsi_dev_virt *pdv = PSCSI_DEV(dev);
if (pdv->pdv_bd && pdv->pdv_bd->bd_part)
return pdv->pdv_bd->bd_part->nr_sects;
.attach_hba = pscsi_attach_hba,
.detach_hba = pscsi_detach_hba,
.pmode_enable_hba = pscsi_pmode_enable_hba,
- .allocate_virtdevice = pscsi_allocate_virtdevice,
- .create_virtdevice = pscsi_create_virtdevice,
+ .alloc_device = pscsi_alloc_device,
+ .configure_device = pscsi_configure_device,
.free_device = pscsi_free_device,
.transport_complete = pscsi_transport_complete,
.parse_cdb = pscsi_parse_cdb,
- .check_configfs_dev_params = pscsi_check_configfs_dev_params,
.set_configfs_dev_params = pscsi_set_configfs_dev_params,
.show_configfs_dev_params = pscsi_show_configfs_dev_params,
.get_device_rev = pscsi_get_device_rev,
#define PDF_HAS_VIRT_HOST_ID 0x20
struct pscsi_dev_virt {
+ struct se_device dev;
int pdv_flags;
int pdv_host_id;
int pdv_channel_id;
int pdv_lun_id;
struct block_device *pdv_bd;
struct scsi_device *pdv_sd;
- struct se_hba *pdv_se_hba;
} ____cacheline_aligned;
typedef enum phv_modes {
#include "target_core_rd.h"
-static struct se_subsystem_api rd_mcp_template;
+static inline struct rd_dev *RD_DEV(struct se_device *dev)
+{
+ return container_of(dev, struct rd_dev, dev);
+}
/* rd_attach_hba(): (Part of se_subsystem_api_t template)
*
return 0;
}
-static void *rd_allocate_virtdevice(struct se_hba *hba, const char *name)
+static struct se_device *rd_alloc_device(struct se_hba *hba, const char *name)
{
struct rd_dev *rd_dev;
struct rd_host *rd_host = hba->hba_ptr;
rd_dev->rd_host = rd_host;
- return rd_dev;
+ return &rd_dev->dev;
}
-static struct se_device *rd_create_virtdevice(struct se_hba *hba,
- struct se_subsystem_dev *se_dev, void *p)
+static int rd_configure_device(struct se_device *dev)
{
- struct se_device *dev;
- struct se_dev_limits dev_limits;
- struct rd_dev *rd_dev = p;
- struct rd_host *rd_host = hba->hba_ptr;
- int dev_flags = 0, ret;
- char prod[16], rev[4];
+ struct rd_dev *rd_dev = RD_DEV(dev);
+ struct rd_host *rd_host = dev->se_hba->hba_ptr;
+ int ret;
- memset(&dev_limits, 0, sizeof(struct se_dev_limits));
+ if (!(rd_dev->rd_flags & RDF_HAS_PAGE_COUNT)) {
+ pr_debug("Missing rd_pages= parameter\n");
+ return -EINVAL;
+ }
ret = rd_build_device_space(rd_dev);
if (ret < 0)
goto fail;
- snprintf(prod, 16, "RAMDISK-MCP");
- snprintf(rev, 4, "%s", RD_MCP_VERSION);
-
- dev_limits.limits.logical_block_size = RD_BLOCKSIZE;
- dev_limits.limits.max_hw_sectors = UINT_MAX;
- dev_limits.limits.max_sectors = UINT_MAX;
- dev_limits.hw_queue_depth = RD_MAX_DEVICE_QUEUE_DEPTH;
- dev_limits.queue_depth = RD_DEVICE_QUEUE_DEPTH;
-
- dev = transport_add_device_to_core_hba(hba,
- &rd_mcp_template, se_dev, dev_flags, rd_dev,
- &dev_limits, prod, rev);
- if (!dev)
- goto fail;
+ dev->dev_attrib.hw_block_size = RD_BLOCKSIZE;
+ dev->dev_attrib.hw_max_sectors = UINT_MAX;
+ dev->dev_attrib.hw_queue_depth = RD_MAX_DEVICE_QUEUE_DEPTH;
rd_dev->rd_dev_id = rd_host->rd_host_dev_id_count++;
rd_dev->sg_table_count,
(unsigned long)(rd_dev->rd_page_count * PAGE_SIZE));
- return dev;
+ return 0;
fail:
rd_release_device_space(rd_dev);
- return ERR_PTR(ret);
+ return ret;
}
-static void rd_free_device(void *p)
+static void rd_free_device(struct se_device *dev)
{
- struct rd_dev *rd_dev = p;
+ struct rd_dev *rd_dev = RD_DEV(dev);
rd_release_device_space(rd_dev);
kfree(rd_dev);
u32 sgl_nents = cmd->t_data_nents;
enum dma_data_direction data_direction = cmd->data_direction;
struct se_device *se_dev = cmd->se_dev;
- struct rd_dev *dev = se_dev->dev_ptr;
+ struct rd_dev *dev = RD_DEV(se_dev);
struct rd_dev_sg_table *table;
struct scatterlist *rd_sg;
struct sg_mapping_iter m;
u32 src_len;
u64 tmp;
- tmp = cmd->t_task_lba * se_dev->se_sub_dev->se_dev_attrib.block_size;
+ tmp = cmd->t_task_lba * se_dev->dev_attrib.block_size;
rd_offset = do_div(tmp, PAGE_SIZE);
rd_page = tmp;
rd_size = cmd->data_length;
{Opt_err, NULL}
};
-static ssize_t rd_set_configfs_dev_params(
- struct se_hba *hba,
- struct se_subsystem_dev *se_dev,
- const char *page,
- ssize_t count)
+static ssize_t rd_set_configfs_dev_params(struct se_device *dev,
+ const char *page, ssize_t count)
{
- struct rd_dev *rd_dev = se_dev->se_dev_su_ptr;
+ struct rd_dev *rd_dev = RD_DEV(dev);
char *orig, *ptr, *opts;
substring_t args[MAX_OPT_ARGS];
int ret = 0, arg, token;
return (!ret) ? count : ret;
}
-static ssize_t rd_check_configfs_dev_params(struct se_hba *hba, struct se_subsystem_dev *se_dev)
+static ssize_t rd_show_configfs_dev_params(struct se_device *dev, char *b)
{
- struct rd_dev *rd_dev = se_dev->se_dev_su_ptr;
-
- if (!(rd_dev->rd_flags & RDF_HAS_PAGE_COUNT)) {
- pr_debug("Missing rd_pages= parameter\n");
- return -EINVAL;
- }
+ struct rd_dev *rd_dev = RD_DEV(dev);
- return 0;
-}
-
-static ssize_t rd_show_configfs_dev_params(
- struct se_hba *hba,
- struct se_subsystem_dev *se_dev,
- char *b)
-{
- struct rd_dev *rd_dev = se_dev->se_dev_su_ptr;
ssize_t bl = sprintf(b, "TCM RamDisk ID: %u RamDisk Makeup: rd_mcp\n",
rd_dev->rd_dev_id);
bl += sprintf(b + bl, " PAGES/PAGE_SIZE: %u*%lu"
static sector_t rd_get_blocks(struct se_device *dev)
{
- struct rd_dev *rd_dev = dev->dev_ptr;
+ struct rd_dev *rd_dev = RD_DEV(dev);
+
unsigned long long blocks_long = ((rd_dev->rd_page_count * PAGE_SIZE) /
- dev->se_sub_dev->se_dev_attrib.block_size) - 1;
+ dev->dev_attrib.block_size) - 1;
return blocks_long;
}
static struct se_subsystem_api rd_mcp_template = {
.name = "rd_mcp",
+ .inquiry_prod = "RAMDISK-MCP",
+ .inquiry_rev = RD_MCP_VERSION,
.transport_type = TRANSPORT_PLUGIN_VHBA_VDEV,
.attach_hba = rd_attach_hba,
.detach_hba = rd_detach_hba,
- .allocate_virtdevice = rd_allocate_virtdevice,
- .create_virtdevice = rd_create_virtdevice,
+ .alloc_device = rd_alloc_device,
+ .configure_device = rd_configure_device,
.free_device = rd_free_device,
.parse_cdb = rd_parse_cdb,
- .check_configfs_dev_params = rd_check_configfs_dev_params,
.set_configfs_dev_params = rd_set_configfs_dev_params,
.show_configfs_dev_params = rd_show_configfs_dev_params,
.get_device_rev = rd_get_device_rev,
#define RDF_HAS_PAGE_COUNT 0x01
struct rd_dev {
+ struct se_device dev;
u32 rd_flags;
/* Unique Ramdisk Device ID in Ramdisk HBA */
u32 rd_dev_id;
buf[1] = (blocks >> 16) & 0xff;
buf[2] = (blocks >> 8) & 0xff;
buf[3] = blocks & 0xff;
- buf[4] = (dev->se_sub_dev->se_dev_attrib.block_size >> 24) & 0xff;
- buf[5] = (dev->se_sub_dev->se_dev_attrib.block_size >> 16) & 0xff;
- buf[6] = (dev->se_sub_dev->se_dev_attrib.block_size >> 8) & 0xff;
- buf[7] = dev->se_sub_dev->se_dev_attrib.block_size & 0xff;
+ buf[4] = (dev->dev_attrib.block_size >> 24) & 0xff;
+ buf[5] = (dev->dev_attrib.block_size >> 16) & 0xff;
+ buf[6] = (dev->dev_attrib.block_size >> 8) & 0xff;
+ buf[7] = dev->dev_attrib.block_size & 0xff;
rbuf = transport_kmap_data_sg(cmd);
if (rbuf) {
buf[5] = (blocks >> 16) & 0xff;
buf[6] = (blocks >> 8) & 0xff;
buf[7] = blocks & 0xff;
- buf[8] = (dev->se_sub_dev->se_dev_attrib.block_size >> 24) & 0xff;
- buf[9] = (dev->se_sub_dev->se_dev_attrib.block_size >> 16) & 0xff;
- buf[10] = (dev->se_sub_dev->se_dev_attrib.block_size >> 8) & 0xff;
- buf[11] = dev->se_sub_dev->se_dev_attrib.block_size & 0xff;
+ buf[8] = (dev->dev_attrib.block_size >> 24) & 0xff;
+ buf[9] = (dev->dev_attrib.block_size >> 16) & 0xff;
+ buf[10] = (dev->dev_attrib.block_size >> 8) & 0xff;
+ buf[11] = dev->dev_attrib.block_size & 0xff;
/*
* Set Thin Provisioning Enable bit following sbc3r22 in section
* READ CAPACITY (16) byte 14 if emulate_tpu or emulate_tpws is enabled.
*/
- if (dev->se_sub_dev->se_dev_attrib.emulate_tpu || dev->se_sub_dev->se_dev_attrib.emulate_tpws)
+ if (dev->dev_attrib.emulate_tpu || dev->dev_attrib.emulate_tpws)
buf[14] = 0x80;
rbuf = transport_kmap_data_sg(cmd);
static inline u32 sbc_get_size(struct se_cmd *cmd, u32 sectors)
{
- return cmd->se_dev->se_sub_dev->se_dev_attrib.block_size * sectors;
+ return cmd->se_dev->dev_attrib.block_size * sectors;
}
static int sbc_check_valid_sectors(struct se_cmd *cmd)
unsigned long long end_lba;
u32 sectors;
- sectors = cmd->data_length / dev->se_sub_dev->se_dev_attrib.block_size;
+ sectors = cmd->data_length / dev->dev_attrib.block_size;
end_lba = dev->transport->get_blocks(dev) + 1;
if (cmd->t_task_lba + sectors > end_lba) {
int sbc_parse_cdb(struct se_cmd *cmd, struct spc_ops *ops)
{
- struct se_subsystem_dev *su_dev = cmd->se_dev->se_sub_dev;
struct se_device *dev = cmd->se_dev;
unsigned char *cdb = cmd->t_task_cdb;
unsigned int size;
if (cmd->se_cmd_flags & SCF_SCSI_DATA_CDB) {
unsigned long long end_lba;
- if (sectors > su_dev->se_dev_attrib.fabric_max_sectors) {
+ if (sectors > dev->dev_attrib.fabric_max_sectors) {
printk_ratelimited(KERN_ERR "SCSI OP %02xh with too"
" big sectors %u exceeds fabric_max_sectors:"
" %u\n", cdb[0], sectors,
- su_dev->se_dev_attrib.fabric_max_sectors);
+ dev->dev_attrib.fabric_max_sectors);
goto out_invalid_cdb_field;
}
- if (sectors > su_dev->se_dev_attrib.hw_max_sectors) {
+ if (sectors > dev->dev_attrib.hw_max_sectors) {
printk_ratelimited(KERN_ERR "SCSI OP %02xh with too"
" big sectors %u exceeds backend hw_max_sectors:"
" %u\n", cdb[0], sectors,
- su_dev->se_dev_attrib.hw_max_sectors);
+ dev->dev_attrib.hw_max_sectors);
goto out_invalid_cdb_field;
}
/*
* Enable SCCS and TPGS fields for Emulated ALUA
*/
- if (dev->se_sub_dev->t10_alua.alua_type == SPC3_ALUA_EMULATED)
+ if (dev->t10_alua.alua_type == SPC3_ALUA_EMULATED)
spc_fill_alua_data(lun->lun_sep, buf);
buf[7] = 0x2; /* CmdQue=1 */
snprintf(&buf[8], 8, "LIO-ORG");
- snprintf(&buf[16], 16, "%s", dev->se_sub_dev->t10_wwn.model);
- snprintf(&buf[32], 4, "%s", dev->se_sub_dev->t10_wwn.revision);
+ snprintf(&buf[16], 16, "%s", dev->t10_wwn.model);
+ snprintf(&buf[32], 4, "%s", dev->t10_wwn.revision);
buf[4] = 31; /* Set additional length to 31 */
return 0;
struct se_device *dev = cmd->se_dev;
u16 len = 0;
- if (dev->se_sub_dev->su_dev_flags &
- SDF_EMULATED_VPD_UNIT_SERIAL) {
+ if (dev->dev_flags & DF_EMULATED_VPD_UNIT_SERIAL) {
u32 unit_serial_len;
- unit_serial_len = strlen(dev->se_sub_dev->t10_wwn.unit_serial);
+ unit_serial_len = strlen(dev->t10_wwn.unit_serial);
unit_serial_len++; /* For NULL Terminator */
- len += sprintf(&buf[4], "%s",
- dev->se_sub_dev->t10_wwn.unit_serial);
+ len += sprintf(&buf[4], "%s", dev->t10_wwn.unit_serial);
len++; /* Extra Byte for NULL Terminator */
buf[3] = len;
}
static void spc_parse_naa_6h_vendor_specific(struct se_device *dev,
unsigned char *buf)
{
- unsigned char *p = &dev->se_sub_dev->t10_wwn.unit_serial[0];
+ unsigned char *p = &dev->t10_wwn.unit_serial[0];
int cnt;
bool next = true;
struct t10_alua_lu_gp_member *lu_gp_mem;
struct t10_alua_tg_pt_gp *tg_pt_gp;
struct t10_alua_tg_pt_gp_member *tg_pt_gp_mem;
- unsigned char *prod = &dev->se_sub_dev->t10_wwn.model[0];
+ unsigned char *prod = &dev->t10_wwn.model[0];
u32 prod_len;
u32 unit_serial_len, off = 0;
u16 len = 0, id_len;
* /sys/kernel/config/target/core/$HBA/$DEV/wwn/vpd_unit_serial
* value in order to return the NAA id.
*/
- if (!(dev->se_sub_dev->su_dev_flags & SDF_EMULATED_VPD_UNIT_SERIAL))
+ if (!(dev->dev_flags & DF_EMULATED_VPD_UNIT_SERIAL))
goto check_t10_vend_desc;
/* CODE SET == Binary */
prod_len += strlen(prod);
prod_len++; /* For : */
- if (dev->se_sub_dev->su_dev_flags &
- SDF_EMULATED_VPD_UNIT_SERIAL) {
- unit_serial_len =
- strlen(&dev->se_sub_dev->t10_wwn.unit_serial[0]);
+ if (dev->dev_flags & DF_EMULATED_VPD_UNIT_SERIAL) {
+ unit_serial_len = strlen(&dev->t10_wwn.unit_serial[0]);
unit_serial_len++; /* For NULL Terminator */
id_len += sprintf(&buf[off+12], "%s:%s", prod,
- &dev->se_sub_dev->t10_wwn.unit_serial[0]);
+ &dev->t10_wwn.unit_serial[0]);
}
buf[off] = 0x2; /* ASCII */
buf[off+1] = 0x1; /* T10 Vendor ID */
* Get the PROTOCOL IDENTIFIER as defined by spc4r17
* section 7.5.1 Table 362
*/
- if (dev->se_sub_dev->t10_alua.alua_type !=
- SPC3_ALUA_EMULATED)
+ if (dev->t10_alua.alua_type != SPC3_ALUA_EMULATED)
goto check_scsi_name;
tg_pt_gp_mem = port->sep_alua_tg_pt_gp_mem;
buf[5] = 0x07;
/* If WriteCache emulation is enabled, set V_SUP */
- if (cmd->se_dev->se_sub_dev->se_dev_attrib.emulate_write_cache > 0)
+ if (cmd->se_dev->dev_attrib.emulate_write_cache > 0)
buf[6] = 0x01;
return 0;
}
* emulate_tpu=1 or emulate_tpws=1 we will be expect a
* different page length for Thin Provisioning.
*/
- if (dev->se_sub_dev->se_dev_attrib.emulate_tpu || dev->se_sub_dev->se_dev_attrib.emulate_tpws)
+ if (dev->dev_attrib.emulate_tpu || dev->dev_attrib.emulate_tpws)
have_tp = 1;
buf[0] = dev->transport->get_device_type(dev);
/*
* Set MAXIMUM TRANSFER LENGTH
*/
- max_sectors = min(dev->se_sub_dev->se_dev_attrib.fabric_max_sectors,
- dev->se_sub_dev->se_dev_attrib.hw_max_sectors);
+ max_sectors = min(dev->dev_attrib.fabric_max_sectors,
+ dev->dev_attrib.hw_max_sectors);
put_unaligned_be32(max_sectors, &buf[8]);
/*
* Set OPTIMAL TRANSFER LENGTH
*/
- put_unaligned_be32(dev->se_sub_dev->se_dev_attrib.optimal_sectors, &buf[12]);
+ put_unaligned_be32(dev->dev_attrib.optimal_sectors, &buf[12]);
/*
* Exit now if we don't support TP.
/*
* Set MAXIMUM UNMAP LBA COUNT
*/
- put_unaligned_be32(dev->se_sub_dev->se_dev_attrib.max_unmap_lba_count, &buf[20]);
+ put_unaligned_be32(dev->dev_attrib.max_unmap_lba_count, &buf[20]);
/*
* Set MAXIMUM UNMAP BLOCK DESCRIPTOR COUNT
*/
- put_unaligned_be32(dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count,
+ put_unaligned_be32(dev->dev_attrib.max_unmap_block_desc_count,
&buf[24]);
/*
* Set OPTIMAL UNMAP GRANULARITY
*/
- put_unaligned_be32(dev->se_sub_dev->se_dev_attrib.unmap_granularity, &buf[28]);
+ put_unaligned_be32(dev->dev_attrib.unmap_granularity, &buf[28]);
/*
* UNMAP GRANULARITY ALIGNMENT
*/
- put_unaligned_be32(dev->se_sub_dev->se_dev_attrib.unmap_granularity_alignment,
+ put_unaligned_be32(dev->dev_attrib.unmap_granularity_alignment,
&buf[32]);
- if (dev->se_sub_dev->se_dev_attrib.unmap_granularity_alignment != 0)
+ if (dev->dev_attrib.unmap_granularity_alignment != 0)
buf[32] |= 0x80; /* Set the UGAVALID bit */
return 0;
buf[0] = dev->transport->get_device_type(dev);
buf[3] = 0x3c;
- buf[5] = dev->se_sub_dev->se_dev_attrib.is_nonrot ? 1 : 0;
+ buf[5] = dev->dev_attrib.is_nonrot ? 1 : 0;
return 0;
}
* the UNMAP command (see 5.25). A TPU bit set to zero indicates
* that the device server does not support the UNMAP command.
*/
- if (dev->se_sub_dev->se_dev_attrib.emulate_tpu != 0)
+ if (dev->dev_attrib.emulate_tpu != 0)
buf[5] = 0x80;
/*
* A TPWS bit set to zero indicates that the device server does not
* support the use of the WRITE SAME (16) command to unmap LBAs.
*/
- if (dev->se_sub_dev->se_dev_attrib.emulate_tpws != 0)
+ if (dev->dev_attrib.emulate_tpws != 0)
buf[5] |= 0x40;
return 0;
* Registered Extended LUN WWN has been set via ConfigFS
* during device creation/restart.
*/
- if (cmd->se_dev->se_sub_dev->su_dev_flags &
- SDF_EMULATED_VPD_UNIT_SERIAL) {
+ if (cmd->se_dev->dev_flags & DF_EMULATED_VPD_UNIT_SERIAL) {
buf[3] = ARRAY_SIZE(evpd_handlers);
for (p = 0; p < ARRAY_SIZE(evpd_handlers); ++p)
buf[p + 4] = evpd_handlers[p].page;
* command sequence order shall be explicitly handled by the application client
* through the selection of appropriate ommands and task attributes.
*/
- p[3] = (dev->se_sub_dev->se_dev_attrib.emulate_rest_reord == 1) ? 0x00 : 0x10;
+ p[3] = (dev->dev_attrib.emulate_rest_reord == 1) ? 0x00 : 0x10;
/*
* From spc4r17, section 7.4.6 Control mode Page
*
* for a BUSY, TASK SET FULL, or RESERVATION CONFLICT status regardless
* to the number of commands completed with one of those status codes.
*/
- p[4] = (dev->se_sub_dev->se_dev_attrib.emulate_ua_intlck_ctrl == 2) ? 0x30 :
- (dev->se_sub_dev->se_dev_attrib.emulate_ua_intlck_ctrl == 1) ? 0x20 : 0x00;
+ p[4] = (dev->dev_attrib.emulate_ua_intlck_ctrl == 2) ? 0x30 :
+ (dev->dev_attrib.emulate_ua_intlck_ctrl == 1) ? 0x20 : 0x00;
/*
* From spc4r17, section 7.4.6 Control mode Page
*
* which the command was received shall be completed with TASK ABORTED
* status (see SAM-4).
*/
- p[5] = (dev->se_sub_dev->se_dev_attrib.emulate_tas) ? 0x40 : 0x00;
+ p[5] = (dev->dev_attrib.emulate_tas) ? 0x40 : 0x00;
p[8] = 0xff;
p[9] = 0xff;
p[11] = 30;
{
p[0] = 0x08;
p[1] = 0x12;
- if (dev->se_sub_dev->se_dev_attrib.emulate_write_cache > 0)
+ if (dev->dev_attrib.emulate_write_cache > 0)
p[2] = 0x04; /* Write Cache Enable */
p[12] = 0x20; /* Disabled Read Ahead */
(cmd->se_deve->lun_flags & TRANSPORT_LUNFLAGS_READ_ONLY)))
spc_modesense_write_protect(&buf[3], type);
- if ((dev->se_sub_dev->se_dev_attrib.emulate_write_cache > 0) &&
- (dev->se_sub_dev->se_dev_attrib.emulate_fua_write > 0))
+ if ((dev->dev_attrib.emulate_write_cache > 0) &&
+ (dev->dev_attrib.emulate_fua_write > 0))
spc_modesense_dpofua(&buf[3], type);
} else {
offset -= 1;
(cmd->se_deve->lun_flags & TRANSPORT_LUNFLAGS_READ_ONLY)))
spc_modesense_write_protect(&buf[2], type);
- if ((dev->se_sub_dev->se_dev_attrib.emulate_write_cache > 0) &&
- (dev->se_sub_dev->se_dev_attrib.emulate_fua_write > 0))
+ if ((dev->dev_attrib.emulate_write_cache > 0) &&
+ (dev->dev_attrib.emulate_fua_write > 0))
spc_modesense_dpofua(&buf[2], type);
}
int spc_parse_cdb(struct se_cmd *cmd, unsigned int *size)
{
struct se_device *dev = cmd->se_dev;
- struct se_subsystem_dev *su_dev = dev->se_sub_dev;
unsigned char *cdb = cmd->t_task_cdb;
switch (cdb[0]) {
*size = (cdb[7] << 8) + cdb[8];
break;
case PERSISTENT_RESERVE_IN:
- if (su_dev->t10_pr.res_type == SPC3_PERSISTENT_RESERVATIONS)
+ if (dev->t10_pr.res_type == SPC3_PERSISTENT_RESERVATIONS)
cmd->execute_cmd = target_scsi3_emulate_pr_in;
*size = (cdb[7] << 8) + cdb[8];
break;
case PERSISTENT_RESERVE_OUT:
- if (su_dev->t10_pr.res_type == SPC3_PERSISTENT_RESERVATIONS)
+ if (dev->t10_pr.res_type == SPC3_PERSISTENT_RESERVATIONS)
cmd->execute_cmd = target_scsi3_emulate_pr_out;
*size = (cdb[7] << 8) + cdb[8];
break;
else
*size = cmd->data_length;
- if (su_dev->t10_pr.res_type != SPC_PASSTHROUGH)
+ if (dev->t10_pr.res_type != SPC_PASSTHROUGH)
cmd->execute_cmd = target_scsi2_reservation_release;
break;
case RESERVE:
* is running in SPC_PASSTHROUGH, and wants reservations
* emulation disabled.
*/
- if (su_dev->t10_pr.res_type != SPC_PASSTHROUGH)
+ if (dev->t10_pr.res_type != SPC_PASSTHROUGH)
cmd->execute_cmd = target_scsi2_reservation_reserve;
break;
case REQUEST_SENSE:
* Check for emulated MI_REPORT_TARGET_PGS
*/
if ((cdb[1] & 0x1f) == MI_REPORT_TARGET_PGS &&
- su_dev->t10_alua.alua_type == SPC3_ALUA_EMULATED) {
+ dev->t10_alua.alua_type == SPC3_ALUA_EMULATED) {
cmd->execute_cmd =
target_emulate_report_target_port_groups;
}
* Check for emulated MO_SET_TARGET_PGS.
*/
if (cdb[1] == MO_SET_TARGET_PGS &&
- su_dev->t10_alua.alua_type == SPC3_ALUA_EMULATED) {
+ dev->t10_alua.alua_type == SPC3_ALUA_EMULATED) {
cmd->execute_cmd =
target_emulate_set_target_port_groups;
}
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),
* which the command was received shall be completed with TASK ABORTED
* status (see SAM-4).
*/
- tas = dev->se_sub_dev->se_dev_attrib.emulate_tas;
+ tas = dev->dev_attrib.emulate_tas;
/*
* Determine if this se_tmr is coming from a $FABRIC_MOD
* or struct se_device passthrough..
* LOGICAL UNIT RESET
*/
if (!preempt_and_abort_list &&
- (dev->dev_flags & DF_SPC2_RESERVATIONS)) {
+ (dev->dev_reservation_flags & DRF_SPC2_RESERVATIONS)) {
spin_lock(&dev->dev_reservation_lock);
dev->dev_reserved_node_acl = NULL;
- dev->dev_flags &= ~DF_SPC2_RESERVATIONS;
+ dev->dev_reservation_flags &= ~DRF_SPC2_RESERVATIONS;
spin_unlock(&dev->dev_reservation_lock);
pr_debug("LUN_RESET: SCSI-2 Released reservation\n");
}
static void transport_write_pending_qf(struct se_cmd *cmd);
static void transport_complete_qf(struct se_cmd *cmd);
-static void target_qf_do_work(struct work_struct *work)
+void target_qf_do_work(struct work_struct *work)
{
struct se_device *dev = container_of(work, struct se_device,
qf_work_queue);
int *bl)
{
*bl += sprintf(b + *bl, "Status: ");
- switch (dev->dev_status) {
- case TRANSPORT_DEVICE_ACTIVATED:
+ if (dev->export_count)
*bl += sprintf(b + *bl, "ACTIVATED");
- break;
- case TRANSPORT_DEVICE_DEACTIVATED:
+ else
*bl += sprintf(b + *bl, "DEACTIVATED");
- break;
- case TRANSPORT_DEVICE_SHUTDOWN:
- *bl += sprintf(b + *bl, "SHUTDOWN");
- break;
- case TRANSPORT_DEVICE_OFFLINE_ACTIVATED:
- case TRANSPORT_DEVICE_OFFLINE_DEACTIVATED:
- *bl += sprintf(b + *bl, "OFFLINE");
- break;
- default:
- *bl += sprintf(b + *bl, "UNKNOWN=%d", dev->dev_status);
- break;
- }
*bl += sprintf(b + *bl, " Max Queue Depth: %d", dev->queue_depth);
*bl += sprintf(b + *bl, " SectorSize: %u HwMaxSectors: %u\n",
- dev->se_sub_dev->se_dev_attrib.block_size,
- dev->se_sub_dev->se_dev_attrib.hw_max_sectors);
+ dev->dev_attrib.block_size,
+ dev->dev_attrib.hw_max_sectors);
*bl += sprintf(b + *bl, " ");
}
}
EXPORT_SYMBOL(transport_set_vpd_ident);
-static void core_setup_task_attr_emulation(struct se_device *dev)
-{
- /*
- * If this device is from Target_Core_Mod/pSCSI, disable the
- * SAM Task Attribute emulation.
- *
- * This is currently not available in upsream Linux/SCSI Target
- * mode code, and is assumed to be disabled while using TCM/pSCSI.
- */
- if (dev->transport->transport_type == TRANSPORT_PLUGIN_PHBA_PDEV) {
- dev->dev_task_attr_type = SAM_TASK_ATTR_PASSTHROUGH;
- return;
- }
-
- dev->dev_task_attr_type = SAM_TASK_ATTR_EMULATED;
- pr_debug("%s: Using SAM_TASK_ATTR_EMULATED for SPC: 0x%02x"
- " device\n", dev->transport->name,
- dev->transport->get_device_rev(dev));
-}
-
-static void scsi_dump_inquiry(struct se_device *dev)
-{
- struct t10_wwn *wwn = &dev->se_sub_dev->t10_wwn;
- char buf[17];
- int i, device_type;
- /*
- * Print Linux/SCSI style INQUIRY formatting to the kernel ring buffer
- */
- for (i = 0; i < 8; i++)
- if (wwn->vendor[i] >= 0x20)
- buf[i] = wwn->vendor[i];
- else
- buf[i] = ' ';
- buf[i] = '\0';
- pr_debug(" Vendor: %s\n", buf);
-
- for (i = 0; i < 16; i++)
- if (wwn->model[i] >= 0x20)
- buf[i] = wwn->model[i];
- else
- buf[i] = ' ';
- buf[i] = '\0';
- pr_debug(" Model: %s\n", buf);
-
- for (i = 0; i < 4; i++)
- if (wwn->revision[i] >= 0x20)
- buf[i] = wwn->revision[i];
- else
- buf[i] = ' ';
- buf[i] = '\0';
- pr_debug(" Revision: %s\n", buf);
-
- device_type = dev->transport->get_device_type(dev);
- pr_debug(" Type: %s ", scsi_device_type(device_type));
- pr_debug(" ANSI SCSI revision: %02x\n",
- dev->transport->get_device_rev(dev));
-}
-
-struct se_device *transport_add_device_to_core_hba(
- struct se_hba *hba,
- struct se_subsystem_api *transport,
- struct se_subsystem_dev *se_dev,
- u32 device_flags,
- void *transport_dev,
- struct se_dev_limits *dev_limits,
- const char *inquiry_prod,
- const char *inquiry_rev)
-{
- int force_pt;
- struct se_device *dev;
-
- dev = kzalloc(sizeof(struct se_device), GFP_KERNEL);
- if (!dev) {
- pr_err("Unable to allocate memory for se_dev_t\n");
- return NULL;
- }
-
- dev->dev_flags = device_flags;
- dev->dev_status |= TRANSPORT_DEVICE_DEACTIVATED;
- dev->dev_ptr = transport_dev;
- dev->se_hba = hba;
- dev->se_sub_dev = se_dev;
- dev->transport = transport;
- INIT_LIST_HEAD(&dev->dev_list);
- INIT_LIST_HEAD(&dev->dev_sep_list);
- INIT_LIST_HEAD(&dev->dev_tmr_list);
- INIT_LIST_HEAD(&dev->delayed_cmd_list);
- INIT_LIST_HEAD(&dev->state_list);
- INIT_LIST_HEAD(&dev->qf_cmd_list);
- spin_lock_init(&dev->execute_task_lock);
- spin_lock_init(&dev->delayed_cmd_lock);
- spin_lock_init(&dev->dev_reservation_lock);
- spin_lock_init(&dev->dev_status_lock);
- spin_lock_init(&dev->se_port_lock);
- spin_lock_init(&dev->se_tmr_lock);
- spin_lock_init(&dev->qf_cmd_lock);
- atomic_set(&dev->dev_ordered_id, 0);
-
- se_dev_set_default_attribs(dev, dev_limits);
-
- dev->dev_index = scsi_get_new_index(SCSI_DEVICE_INDEX);
- dev->creation_time = get_jiffies_64();
- spin_lock_init(&dev->stats_lock);
-
- spin_lock(&hba->device_lock);
- list_add_tail(&dev->dev_list, &hba->hba_dev_list);
- hba->dev_count++;
- spin_unlock(&hba->device_lock);
- /*
- * Setup the SAM Task Attribute emulation for struct se_device
- */
- core_setup_task_attr_emulation(dev);
- /*
- * Force PR and ALUA passthrough emulation with internal object use.
- */
- force_pt = (hba->hba_flags & HBA_FLAGS_INTERNAL_USE);
- /*
- * Setup the Reservations infrastructure for struct se_device
- */
- core_setup_reservations(dev, force_pt);
- /*
- * Setup the Asymmetric Logical Unit Assignment for struct se_device
- */
- if (core_setup_alua(dev, force_pt) < 0)
- goto err_dev_list;
-
- /*
- * Startup the struct se_device processing thread
- */
- dev->tmr_wq = alloc_workqueue("tmr-%s", WQ_MEM_RECLAIM | WQ_UNBOUND, 1,
- dev->transport->name);
- if (!dev->tmr_wq) {
- pr_err("Unable to create tmr workqueue for %s\n",
- dev->transport->name);
- goto err_dev_list;
- }
- /*
- * Setup work_queue for QUEUE_FULL
- */
- INIT_WORK(&dev->qf_work_queue, target_qf_do_work);
- /*
- * Preload the initial INQUIRY const values if we are doing
- * anything virtual (IBLOCK, FILEIO, RAMDISK), but not for TCM/pSCSI
- * passthrough because this is being provided by the backend LLD.
- * This is required so that transport_get_inquiry() copies these
- * originals once back into DEV_T10_WWN(dev) for the virtual device
- * setup.
- */
- if (dev->transport->transport_type != TRANSPORT_PLUGIN_PHBA_PDEV) {
- if (!inquiry_prod || !inquiry_rev) {
- pr_err("All non TCM/pSCSI plugins require"
- " INQUIRY consts\n");
- goto err_wq;
- }
-
- strncpy(&dev->se_sub_dev->t10_wwn.vendor[0], "LIO-ORG", 8);
- strncpy(&dev->se_sub_dev->t10_wwn.model[0], inquiry_prod, 16);
- strncpy(&dev->se_sub_dev->t10_wwn.revision[0], inquiry_rev, 4);
- }
- scsi_dump_inquiry(dev);
-
- return dev;
-
-err_wq:
- destroy_workqueue(dev->tmr_wq);
-err_dev_list:
- spin_lock(&hba->device_lock);
- list_del(&dev->dev_list);
- hba->dev_count--;
- spin_unlock(&hba->device_lock);
-
- se_release_vpd_for_dev(dev);
-
- kfree(dev);
-
- return NULL;
-}
-EXPORT_SYMBOL(transport_add_device_to_core_hba);
-
int target_cmd_size_check(struct se_cmd *cmd, unsigned int size)
{
struct se_device *dev = cmd->se_dev;
* Reject READ_* or WRITE_* with overflow/underflow for
* type SCF_SCSI_DATA_CDB.
*/
- if (dev->se_sub_dev->se_dev_attrib.block_size != 512) {
+ if (dev->dev_attrib.block_size != 512) {
pr_err("Failing OVERFLOW/UNDERFLOW for LBA op"
" CDB on non 512-byte sector setup subsystem"
" plugin: %s\n", dev->transport->name);
struct se_cmd *cmd,
unsigned char *cdb)
{
- struct se_subsystem_dev *su_dev = cmd->se_dev->se_sub_dev;
+ struct se_device *dev = cmd->se_dev;
u32 pr_reg_type = 0;
u8 alua_ascq = 0;
unsigned long flags;
return -EINVAL;
}
- ret = su_dev->t10_alua.alua_state_check(cmd, cdb, &alua_ascq);
+ ret = dev->t10_alua.alua_state_check(cmd, cdb, &alua_ascq);
if (ret != 0) {
/*
* Set SCSI additional sense code (ASC) to 'LUN Not Accessible';
/*
* Check status for SPC-3 Persistent Reservations
*/
- if (su_dev->t10_pr.pr_ops.t10_reservation_check(cmd, &pr_reg_type)) {
- if (su_dev->t10_pr.pr_ops.t10_seq_non_holder(
+ if (dev->t10_pr.pr_ops.t10_reservation_check(cmd, &pr_reg_type)) {
+ if (dev->t10_pr.pr_ops.t10_seq_non_holder(
cmd, cdb, pr_reg_type) != 0) {
cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION;
cmd->se_cmd_flags |= SCF_SCSI_RESERVATION_CONFLICT;
*/
}
- ret = cmd->se_dev->transport->parse_cdb(cmd);
+ ret = dev->transport->parse_cdb(cmd);
if (ret < 0)
return ret;
* See spc4r17, section 7.4.6 Control Mode Page, Table 349
*/
if (cmd->se_sess &&
- cmd->se_dev->se_sub_dev->se_dev_attrib.emulate_ua_intlck_ctrl == 2)
+ cmd->se_dev->dev_attrib.emulate_ua_intlck_ctrl == 2)
core_scsi3_ua_allocate(cmd->se_sess->se_node_acl,
cmd->orig_fe_lun, 0x2C,
ASCQ_2CH_PREVIOUS_RESERVATION_CONFLICT_STATUS);
* highest priority UNIT_ATTENTION and ASC/ASCQ without
* clearing it.
*/
- if (dev->se_sub_dev->se_dev_attrib.emulate_ua_intlck_ctrl != 0) {
+ if (dev->dev_attrib.emulate_ua_intlck_ctrl != 0) {
*asc = ua->ua_asc;
*ascq = ua->ua_ascq;
break;
" INTLCK_CTRL: %d, mapped LUN: %u, got CDB: 0x%02x"
" reported ASC: 0x%02x, ASCQ: 0x%02x\n",
nacl->se_tpg->se_tpg_tfo->get_fabric_name(),
- (dev->se_sub_dev->se_dev_attrib.emulate_ua_intlck_ctrl != 0) ? "Reporting" :
- "Releasing", dev->se_sub_dev->se_dev_attrib.emulate_ua_intlck_ctrl,
+ (dev->dev_attrib.emulate_ua_intlck_ctrl != 0) ? "Reporting" :
+ "Releasing", dev->dev_attrib.emulate_ua_intlck_ctrl,
cmd->orig_fe_lun, cmd->t_task_cdb[0], *asc, *ascq);
}
struct list_head sub_api_list;
char name[16];
+ char inquiry_prod[16];
+ char inquiry_rev[4];
struct module *owner;
u8 transport_type;
int (*attach_hba)(struct se_hba *, u32);
void (*detach_hba)(struct se_hba *);
int (*pmode_enable_hba)(struct se_hba *, unsigned long);
- void *(*allocate_virtdevice)(struct se_hba *, const char *);
- struct se_device *(*create_virtdevice)(struct se_hba *,
- struct se_subsystem_dev *, void *);
- void (*free_device)(void *);
+
+ struct se_device *(*alloc_device)(struct se_hba *, const char *);
+ int (*configure_device)(struct se_device *);
+ void (*free_device)(struct se_device *device);
+
+ ssize_t (*set_configfs_dev_params)(struct se_device *,
+ const char *, ssize_t);
+ ssize_t (*show_configfs_dev_params)(struct se_device *, char *);
+
void (*transport_complete)(struct se_cmd *cmd,
struct scatterlist *,
unsigned char *);
int (*parse_cdb)(struct se_cmd *cmd);
- ssize_t (*check_configfs_dev_params)(struct se_hba *,
- struct se_subsystem_dev *);
- ssize_t (*set_configfs_dev_params)(struct se_hba *,
- struct se_subsystem_dev *, const char *, ssize_t);
- ssize_t (*show_configfs_dev_params)(struct se_hba *,
- struct se_subsystem_dev *, char *);
u32 (*get_device_rev)(struct se_device *);
u32 (*get_device_type)(struct se_device *);
sector_t (*get_blocks)(struct se_device *);
int transport_subsystem_register(struct se_subsystem_api *);
void transport_subsystem_release(struct se_subsystem_api *);
-struct se_device *transport_add_device_to_core_hba(struct se_hba *,
- struct se_subsystem_api *, struct se_subsystem_dev *, u32,
- void *, struct se_dev_limits *, const char *, const char *);
-
void target_complete_cmd(struct se_cmd *, u8);
int sbc_parse_cdb(struct se_cmd *cmd, struct spc_ops *ops);
#define PYX_TRANSPORT_STATUS_INTERVAL 5 /* In seconds */
-/*
- * struct se_subsystem_dev->su_dev_flags
-*/
-#define SDF_FIRMWARE_VPD_UNIT_SERIAL 0x00000001
-#define SDF_EMULATED_VPD_UNIT_SERIAL 0x00000002
-#define SDF_USING_UDEV_PATH 0x00000004
-#define SDF_USING_ALIAS 0x00000008
-
-/*
- * struct se_device->dev_flags
- */
-#define DF_SPC2_RESERVATIONS 0x00000001
-#define DF_SPC2_RESERVATIONS_WITH_ISID 0x00000002
-
/* struct se_dev_attrib sanity values */
/* Default max_unmap_lba_count */
#define DA_MAX_UNMAP_LBA_COUNT 0
TRANSPORT_LUNFLAGS_READ_WRITE = 0x04,
};
-/* struct se_device->dev_status */
-enum transport_device_status_table {
- TRANSPORT_DEVICE_ACTIVATED = 0x01,
- TRANSPORT_DEVICE_DEACTIVATED = 0x02,
- TRANSPORT_DEVICE_QUEUE_FULL = 0x04,
- TRANSPORT_DEVICE_SHUTDOWN = 0x08,
- TRANSPORT_DEVICE_OFFLINE_ACTIVATED = 0x10,
- TRANSPORT_DEVICE_OFFLINE_DEACTIVATED = 0x20,
-};
-
/*
* Used by transport_send_check_condition_and_sense() and se_cmd->scsi_sense_reason
* to signal which ASC/ASCQ sense payload should be built.
TMR_FUNCTION_REJECTED = 255,
};
-struct se_obj {
- atomic_t obj_access_count;
-};
-
/*
* Used by TCM Core internally to signal if ALUA emulation is enabled or
* disabled, or running in with TCM/pSCSI passthrough mode
u16 alua_tg_pt_gps_counter;
u32 alua_tg_pt_gps_count;
spinlock_t tg_pt_gps_lock;
- struct se_subsystem_dev *t10_sub_dev;
+ struct se_device *t10_dev;
/* Used for default ALUA Target Port Group */
struct t10_alua_tg_pt_gp *default_tg_pt_gp;
/* Used for default ALUA Target Port Group ConfigFS group */
atomic_t tg_pt_gp_ref_cnt;
spinlock_t tg_pt_gp_lock;
struct mutex tg_pt_gp_md_mutex;
- struct se_subsystem_dev *tg_pt_gp_su_dev;
+ struct se_device *tg_pt_gp_dev;
struct config_group tg_pt_gp_group;
struct list_head tg_pt_gp_list;
struct list_head tg_pt_gp_mem_list;
char revision[4];
char unit_serial[INQUIRY_VPD_SERIAL_LEN];
spinlock_t t10_vpd_lock;
- struct se_subsystem_dev *t10_sub_dev;
+ struct se_device *t10_dev;
struct config_group t10_wwn_group;
struct list_head t10_vpd_list;
};
struct list_head ua_list;
};
-struct se_dev_limits {
- /* Max supported HW queue depth */
- u32 hw_queue_depth;
- /* Max supported virtual queue depth */
- u32 queue_depth;
- /* From include/linux/blkdev.h for the other HW/SW limits. */
- struct queue_limits limits;
-};
-
struct se_dev_attrib {
int emulate_dpo;
int emulate_fua_write;
u32 max_unmap_block_desc_count;
u32 unmap_granularity;
u32 unmap_granularity_alignment;
- struct se_subsystem_dev *da_sub_dev;
+ struct se_device *da_dev;
struct config_group da_group;
};
struct config_group scsi_lu_group;
};
-struct se_subsystem_dev {
-/* Used for struct se_subsystem_dev-->se_dev_alias, must be less than PAGE_SIZE */
-#define SE_DEV_ALIAS_LEN 512
- unsigned char se_dev_alias[SE_DEV_ALIAS_LEN];
-/* Used for struct se_subsystem_dev->se_dev_udev_path[], must be less than PAGE_SIZE */
-#define SE_UDEV_PATH_LEN 512
- unsigned char se_dev_udev_path[SE_UDEV_PATH_LEN];
- u32 su_dev_flags;
- struct se_hba *se_dev_hba;
- struct se_device *se_dev_ptr;
- struct se_dev_attrib se_dev_attrib;
- /* T10 Asymmetric Logical Unit Assignment for Target Ports */
- struct t10_alua t10_alua;
- /* T10 Inquiry and VPD WWN Information */
- struct t10_wwn t10_wwn;
- /* T10 SPC-2 + SPC-3 Reservations */
- struct t10_reservation t10_pr;
- spinlock_t se_dev_lock;
- void *se_dev_su_ptr;
- struct config_group se_dev_group;
- /* For T10 Reservations */
- struct config_group se_dev_pr_group;
- /* For target_core_stat.c groups */
- struct se_dev_stat_grps dev_stat_grps;
-};
-
struct se_device {
/* RELATIVE TARGET PORT IDENTIFER Counter */
u16 dev_rpti_counter;
/* Used for SAM Task Attribute ordering */
u32 dev_cur_ordered_id;
u32 dev_flags;
+#define DF_CONFIGURED 0x00000001
+#define DF_FIRMWARE_VPD_UNIT_SERIAL 0x00000002
+#define DF_EMULATED_VPD_UNIT_SERIAL 0x00000004
+#define DF_USING_UDEV_PATH 0x00000008
+#define DF_USING_ALIAS 0x00000010
u32 dev_port_count;
- /* See transport_device_status_table */
- u32 dev_status;
/* Physical device queue depth */
u32 queue_depth;
/* Used for SPC-2 reservations enforce of ISIDs */
u64 dev_res_bin_isid;
t10_task_attr_index_t dev_task_attr_type;
/* Pointer to transport specific device structure */
- void *dev_ptr;
u32 dev_index;
u64 creation_time;
u32 num_resets;
atomic_t dev_ordered_id;
atomic_t dev_ordered_sync;
atomic_t dev_qf_count;
- struct se_obj dev_obj;
- struct se_obj dev_access_obj;
- struct se_obj dev_export_obj;
+ int export_count;
spinlock_t delayed_cmd_lock;
spinlock_t execute_task_lock;
spinlock_t dev_reservation_lock;
- spinlock_t dev_status_lock;
+ unsigned int dev_reservation_flags;
+#define DRF_SPC2_RESERVATIONS 0x00000001
+#define DRF_SPC2_RESERVATIONS_WITH_ISID 0x00000002
spinlock_t se_port_lock;
spinlock_t se_tmr_lock;
spinlock_t qf_cmd_lock;
struct list_head qf_cmd_list;
/* Pointer to associated SE HBA */
struct se_hba *se_hba;
- struct se_subsystem_dev *se_sub_dev;
+ /* T10 Inquiry and VPD WWN Information */
+ struct t10_wwn t10_wwn;
+ /* T10 Asymmetric Logical Unit Assignment for Target Ports */
+ struct t10_alua t10_alua;
+ /* T10 SPC-2 + SPC-3 Reservations */
+ struct t10_reservation t10_pr;
+ struct se_dev_attrib dev_attrib;
+ struct config_group dev_group;
+ struct config_group dev_pr_group;
+ struct se_dev_stat_grps dev_stat_grps;
+#define SE_DEV_ALIAS_LEN 512 /* must be less than PAGE_SIZE */
+ unsigned char dev_alias[SE_DEV_ALIAS_LEN];
+#define SE_UDEV_PATH_LEN 512 /* must be less than PAGE_SIZE */
+ unsigned char udev_path[SE_UDEV_PATH_LEN];
/* Pointer to template of function pointers for transport */
struct se_subsystem_api *transport;
/* Linked list for struct se_hba struct se_device list */
u32 hba_index;
/* Pointer to transport specific host structure. */
void *hba_ptr;
- /* Linked list for struct se_device */
- struct list_head hba_dev_list;
struct list_head hba_node;
spinlock_t device_lock;
struct config_group hba_group;
projects / cascardo / linux.git / commitdiff