Commit e4aae5af authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Nicholas Bellinger

target: change core_tpg_register prototype

Remove the unneeded fabric_ptr argument, and change the type argument
to pass in a SPC protocol identifier.
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarNicholas Bellinger <nab@linux-iscsi.org>
parent 3868e436
......@@ -238,8 +238,7 @@ def tcm_mod_build_configfs(proto_ident, fabric_mod_dir_var, fabric_mod_name):
buf += " tpg->" + fabric_mod_port + " = " + fabric_mod_port + ";\n"
buf += " tpg->" + fabric_mod_port + "_tpgt = tpgt;\n\n"
buf += " ret = core_tpg_register(&" + fabric_mod_name + "_ops, wwn,\n"
buf += " &tpg->se_tpg, tpg,\n"
buf += " TRANSPORT_TPG_TYPE_NORMAL);\n"
buf += " &tpg->se_tpg, SCSI_PROTOCOL_SAS);\n"
buf += " if (ret < 0) {\n"
buf += " kfree(tpg);\n"
buf += " return NULL;\n"
......
......@@ -3791,7 +3791,7 @@ static struct se_portal_group *srpt_make_tpg(struct se_wwn *wwn,
/* Initialize sport->port_wwn and sport->port_tpg_1 */
res = core_tpg_register(&srpt_template, &sport->port_wwn,
&sport->port_tpg_1, sport, TRANSPORT_TPG_TYPE_NORMAL);
&sport->port_tpg_1, SCSI_PROTOCOL_SRP);
if (res)
return ERR_PTR(res);
......
......@@ -1113,8 +1113,8 @@ static struct se_portal_group *tcm_qla2xxx_make_tpg(
tpg->tpg_attrib.cache_dynamic_acls = 1;
tpg->tpg_attrib.demo_mode_login_only = 1;
ret = core_tpg_register(&tcm_qla2xxx_ops, wwn,
&tpg->se_tpg, tpg, TRANSPORT_TPG_TYPE_NORMAL);
ret = core_tpg_register(&tcm_qla2xxx_ops, wwn, &tpg->se_tpg,
SCSI_PROTOCOL_FCP);
if (ret < 0) {
kfree(tpg);
return NULL;
......@@ -1233,8 +1233,8 @@ static struct se_portal_group *tcm_qla2xxx_npiv_make_tpg(
tpg->tpg_attrib.cache_dynamic_acls = 1;
tpg->tpg_attrib.demo_mode_login_only = 1;
ret = core_tpg_register(&tcm_qla2xxx_npiv_ops, wwn,
&tpg->se_tpg, tpg, TRANSPORT_TPG_TYPE_NORMAL);
ret = core_tpg_register(&tcm_qla2xxx_npiv_ops, wwn, &tpg->se_tpg,
SCSI_PROTOCOL_FCP);
if (ret < 0) {
kfree(tpg);
return NULL;
......
......@@ -1421,7 +1421,7 @@ static struct se_portal_group *lio_target_tiqn_addtpg(
return NULL;
ret = core_tpg_register(&iscsi_ops, wwn, &tpg->tpg_se_tpg,
tpg, TRANSPORT_TPG_TYPE_NORMAL);
SCSI_PROTOCOL_ISCSI);
if (ret < 0)
return NULL;
......
......@@ -68,8 +68,7 @@ int iscsit_load_discovery_tpg(void)
return -1;
}
ret = core_tpg_register(&iscsi_ops, NULL, &tpg->tpg_se_tpg,
tpg, TRANSPORT_TPG_TYPE_DISCOVERY);
ret = core_tpg_register(&iscsi_ops, NULL, &tpg->tpg_se_tpg, -1);
if (ret < 0) {
kfree(tpg);
return -1;
......
......@@ -1204,8 +1204,8 @@ static struct se_portal_group *tcm_loop_make_naa_tpg(
/*
* Register the tl_tpg as a emulated SAS TCM Target Endpoint
*/
ret = core_tpg_register(&loop_ops, wwn, &tl_tpg->tl_se_tpg, tl_tpg,
TRANSPORT_TPG_TYPE_NORMAL);
ret = core_tpg_register(&loop_ops, wwn, &tl_tpg->tl_se_tpg,
tl_hba->tl_proto_id);
if (ret < 0)
return ERR_PTR(-ENOMEM);
......
......@@ -2152,8 +2152,7 @@ static struct se_portal_group *sbp_make_tpg(
goto out_free_tpg;
}
ret = core_tpg_register(&sbp_ops, wwn, &tpg->se_tpg, tpg,
TRANSPORT_TPG_TYPE_NORMAL);
ret = core_tpg_register(&sbp_ops, wwn, &tpg->se_tpg, SCSI_PROTOCOL_SBP);
if (ret < 0)
goto out_unreg_mgt_agt;
......
......@@ -634,8 +634,7 @@ int core_tpg_register(
const struct target_core_fabric_ops *tfo,
struct se_wwn *se_wwn,
struct se_portal_group *se_tpg,
void *tpg_fabric_ptr,
int se_tpg_type)
int proto_id)
{
struct se_lun *lun;
u32 i;
......@@ -661,8 +660,7 @@ int core_tpg_register(
init_completion(&lun->lun_ref_comp);
}
se_tpg->se_tpg_type = se_tpg_type;
se_tpg->se_tpg_fabric_ptr = tpg_fabric_ptr;
se_tpg->proto_id = proto_id;
se_tpg->se_tpg_tfo = tfo;
se_tpg->se_tpg_wwn = se_wwn;
atomic_set(&se_tpg->tpg_pr_ref_count, 0);
......@@ -673,7 +671,7 @@ int core_tpg_register(
spin_lock_init(&se_tpg->session_lock);
spin_lock_init(&se_tpg->tpg_lun_lock);
if (se_tpg->se_tpg_type == TRANSPORT_TPG_TYPE_NORMAL) {
if (se_tpg->proto_id >= 0) {
if (core_tpg_setup_virtual_lun0(se_tpg) < 0) {
array_free(se_tpg->tpg_lun_list,
TRANSPORT_MAX_LUNS_PER_TPG);
......@@ -685,11 +683,10 @@ int core_tpg_register(
list_add_tail(&se_tpg->se_tpg_node, &tpg_list);
spin_unlock_bh(&tpg_lock);
pr_debug("TARGET_CORE[%s]: Allocated %s struct se_portal_group for"
" endpoint: %s, Portal Tag: %u\n", tfo->get_fabric_name(),
(se_tpg->se_tpg_type == TRANSPORT_TPG_TYPE_NORMAL) ?
"Normal" : "Discovery", (tfo->tpg_get_wwn(se_tpg) == NULL) ?
"None" : tfo->tpg_get_wwn(se_tpg), tfo->tpg_get_tag(se_tpg));
pr_debug("TARGET_CORE[%s]: Allocated portal_group for endpoint: %s, "
"Proto: %d, Portal Tag: %u\n", tfo->get_fabric_name(),
tfo->tpg_get_wwn(se_tpg) ? tfo->tpg_get_wwn(se_tpg) : NULL,
se_tpg->proto_id, tfo->tpg_get_tag(se_tpg));
return 0;
}
......@@ -697,14 +694,13 @@ EXPORT_SYMBOL(core_tpg_register);
int core_tpg_deregister(struct se_portal_group *se_tpg)
{
const struct target_core_fabric_ops *tfo = se_tpg->se_tpg_tfo;
struct se_node_acl *nacl, *nacl_tmp;
pr_debug("TARGET_CORE[%s]: Deallocating %s struct se_portal_group"
" for endpoint: %s Portal Tag %u\n",
(se_tpg->se_tpg_type == TRANSPORT_TPG_TYPE_NORMAL) ?
"Normal" : "Discovery", se_tpg->se_tpg_tfo->get_fabric_name(),
se_tpg->se_tpg_tfo->tpg_get_wwn(se_tpg),
se_tpg->se_tpg_tfo->tpg_get_tag(se_tpg));
pr_debug("TARGET_CORE[%s]: Deallocating portal_group for endpoint: %s, "
"Proto: %d, Portal Tag: %u\n", tfo->get_fabric_name(),
tfo->tpg_get_wwn(se_tpg) ? tfo->tpg_get_wwn(se_tpg) : NULL,
se_tpg->proto_id, tfo->tpg_get_tag(se_tpg));
spin_lock_bh(&tpg_lock);
list_del(&se_tpg->se_tpg_node);
......@@ -732,10 +728,9 @@ int core_tpg_deregister(struct se_portal_group *se_tpg)
}
spin_unlock_irq(&se_tpg->acl_node_lock);
if (se_tpg->se_tpg_type == TRANSPORT_TPG_TYPE_NORMAL)
if (se_tpg->proto_id >= 0)
core_tpg_remove_lun(se_tpg, &se_tpg->tpg_virt_lun0);
se_tpg->se_tpg_fabric_ptr = NULL;
array_free(se_tpg->tpg_lun_list, TRANSPORT_MAX_LUNS_PER_TPG);
return 0;
}
......
......@@ -284,7 +284,7 @@ static struct se_portal_group *ft_add_tpg(
}
ret = core_tpg_register(&ft_fabric_ops, wwn, &tpg->se_tpg,
tpg, TRANSPORT_TPG_TYPE_NORMAL);
SCSI_PROTOCOL_FCP);
if (ret < 0) {
destroy_workqueue(wq);
kfree(tpg);
......
......@@ -1508,8 +1508,8 @@ static struct se_portal_group *usbg_make_tpg(
tpg->tport = tport;
tpg->tport_tpgt = tpgt;
ret = core_tpg_register(&usbg_ops, wwn, &tpg->se_tpg, tpg,
TRANSPORT_TPG_TYPE_NORMAL);
ret = core_tpg_register(&usbg_ops, wwn, &tpg->se_tpg,
tport->tport_proto_id);
if (ret < 0) {
destroy_workqueue(tpg->workqueue);
kfree(tpg);
......
......@@ -2119,8 +2119,8 @@ vhost_scsi_make_tpg(struct se_wwn *wwn,
tpg->tport = tport;
tpg->tport_tpgt = tpgt;
ret = core_tpg_register(&vhost_scsi_ops, wwn,
&tpg->se_tpg, tpg, TRANSPORT_TPG_TYPE_NORMAL);
ret = core_tpg_register(&vhost_scsi_ops, wwn, &tpg->se_tpg,
tport->tport_proto_id);
if (ret < 0) {
kfree(tpg);
return NULL;
......
......@@ -1883,8 +1883,8 @@ scsiback_make_tpg(struct se_wwn *wwn,
tpg->tport = tport;
tpg->tport_tpgt = tpgt;
ret = core_tpg_register(&scsiback_ops, wwn,
&tpg->se_tpg, tpg, TRANSPORT_TPG_TYPE_NORMAL);
ret = core_tpg_register(&scsiback_ops, wwn, &tpg->se_tpg,
tport->tport_proto_id);
if (ret < 0) {
kfree(tpg);
return NULL;
......
......@@ -125,12 +125,6 @@ enum transport_lun_status_table {
TRANSPORT_LUN_STATUS_ACTIVE = 1,
};
/* struct se_portal_group->se_tpg_type */
enum transport_tpg_type_table {
TRANSPORT_TPG_TYPE_NORMAL = 0,
TRANSPORT_TPG_TYPE_DISCOVERY = 1,
};
/* Special transport agnostic struct se_cmd->t_states */
enum transport_state_table {
TRANSPORT_NO_STATE = 0,
......@@ -864,8 +858,12 @@ struct se_tpg_np {
};
struct se_portal_group {
/* Type of target portal group, see transport_tpg_type_table */
enum transport_tpg_type_table se_tpg_type;
/*
* PROTOCOL IDENTIFIER value per SPC4, 7.5.1.
*
* Negative values can be used by fabric drivers for internal use TPGs.
*/
int proto_id;
/* Number of ACLed Initiator Nodes for this TPG */
u32 num_node_acls;
/* Used for PR SPEC_I_PT=1 and REGISTER_AND_MOVE */
......@@ -875,8 +873,6 @@ struct se_portal_group {
/* Spinlock for adding/removing sessions */
spinlock_t session_lock;
spinlock_t tpg_lun_lock;
/* Pointer to $FABRIC_MOD portal group */
void *se_tpg_fabric_ptr;
struct list_head se_tpg_node;
/* linked list for initiator ACL list */
struct list_head acl_node_list;
......
......@@ -175,7 +175,7 @@ int core_tpg_set_initiator_node_queue_depth(struct se_portal_group *,
int core_tpg_set_initiator_node_tag(struct se_portal_group *,
struct se_node_acl *, const char *);
int core_tpg_register(const struct target_core_fabric_ops *,
struct se_wwn *, struct se_portal_group *, void *, int);
struct se_wwn *, struct se_portal_group *, int);
int core_tpg_deregister(struct se_portal_group *);
/* SAS helpers */
......
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