struct workqueue_struct *tcm_qla2xxx_free_wq;
struct workqueue_struct *tcm_qla2xxx_cmd_wq;
-static int tcm_qla2xxx_check_true(struct se_portal_group *se_tpg)
-{
- return 1;
-}
-
-static int tcm_qla2xxx_check_false(struct se_portal_group *se_tpg)
-{
- return 0;
-}
-
/*
* Parse WWN.
* If strict, we require lower-case hex and colon separators to be sure
*wwnn = 0;
/* count may include a LF at end of string */
- if (name[cnt-1] == '\n')
+ if (name[cnt-1] == '\n' || name[cnt-1] == 0)
cnt--;
/* validate we have enough characters for WWPN */
return 0;
}
-static ssize_t tcm_qla2xxx_npiv_format_wwn(char *buf, size_t len,
- u64 wwpn, u64 wwnn)
-{
- u8 b[8], b2[8];
-
- put_unaligned_be64(wwpn, b);
- put_unaligned_be64(wwnn, b2);
- return snprintf(buf, len,
- "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x,"
- "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x",
- b[0], b[1], b[2], b[3], b[4], b[5], b[6], b[7],
- b2[0], b2[1], b2[2], b2[3], b2[4], b2[5], b2[6], b2[7]);
-}
-
static char *tcm_qla2xxx_npiv_get_fabric_name(void)
{
return "qla2xxx_npiv";
return lport->lport_naa_name;
}
-static char *tcm_qla2xxx_npiv_get_fabric_wwn(struct se_portal_group *se_tpg)
-{
- struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
- struct tcm_qla2xxx_tpg, se_tpg);
- struct tcm_qla2xxx_lport *lport = tpg->lport;
-
- return &lport->lport_npiv_name[0];
-}
-
static u16 tcm_qla2xxx_get_tag(struct se_portal_group *se_tpg)
{
struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
static void tcm_qla2xxx_put_sess(struct qla_tgt_sess *sess)
{
+ if (!sess)
+ return;
+
assert_spin_locked(&sess->vha->hw->hardware_lock);
kref_put(&sess->se_sess->sess_kref, tcm_qla2xxx_release_session);
}
atomic_read(&tpg->lport_tpg_enabled));
}
+static void tcm_qla2xxx_depend_tpg(struct work_struct *work)
+{
+ struct tcm_qla2xxx_tpg *base_tpg = container_of(work,
+ struct tcm_qla2xxx_tpg, tpg_base_work);
+ struct se_portal_group *se_tpg = &base_tpg->se_tpg;
+ struct scsi_qla_host *base_vha = base_tpg->lport->qla_vha;
+
+ if (!configfs_depend_item(se_tpg->se_tpg_tfo->tf_subsys,
+ &se_tpg->tpg_group.cg_item)) {
+ atomic_set(&base_tpg->lport_tpg_enabled, 1);
+ qlt_enable_vha(base_vha);
+ }
+ complete(&base_tpg->tpg_base_comp);
+}
+
+static void tcm_qla2xxx_undepend_tpg(struct work_struct *work)
+{
+ struct tcm_qla2xxx_tpg *base_tpg = container_of(work,
+ struct tcm_qla2xxx_tpg, tpg_base_work);
+ struct se_portal_group *se_tpg = &base_tpg->se_tpg;
+ struct scsi_qla_host *base_vha = base_tpg->lport->qla_vha;
+
+ if (!qlt_stop_phase1(base_vha->vha_tgt.qla_tgt)) {
+ atomic_set(&base_tpg->lport_tpg_enabled, 0);
+ configfs_undepend_item(se_tpg->se_tpg_tfo->tf_subsys,
+ &se_tpg->tpg_group.cg_item);
+ }
+ complete(&base_tpg->tpg_base_comp);
+}
+
static ssize_t tcm_qla2xxx_tpg_store_enable(
struct se_portal_group *se_tpg,
const char *page,
size_t count)
{
- struct se_wwn *se_wwn = se_tpg->se_tpg_wwn;
- struct tcm_qla2xxx_lport *lport = container_of(se_wwn,
- struct tcm_qla2xxx_lport, lport_wwn);
- struct scsi_qla_host *vha = lport->qla_vha;
- struct qla_hw_data *ha = vha->hw;
struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
struct tcm_qla2xxx_tpg, se_tpg);
unsigned long op;
pr_err("Illegal value for tpg_enable: %lu\n", op);
return -EINVAL;
}
-
if (op) {
- atomic_set(&tpg->lport_tpg_enabled, 1);
- qlt_enable_vha(vha);
+ if (atomic_read(&tpg->lport_tpg_enabled))
+ return -EEXIST;
+
+ INIT_WORK(&tpg->tpg_base_work, tcm_qla2xxx_depend_tpg);
} else {
- if (!ha->tgt.qla_tgt) {
- pr_err("truct qla_hw_data *ha->tgt.qla_tgt is NULL\n");
- return -ENODEV;
- }
- atomic_set(&tpg->lport_tpg_enabled, 0);
- qlt_stop_phase1(ha->tgt.qla_tgt);
+ if (!atomic_read(&tpg->lport_tpg_enabled))
+ return count;
+
+ INIT_WORK(&tpg->tpg_base_work, tcm_qla2xxx_undepend_tpg);
}
+ init_completion(&tpg->tpg_base_comp);
+ schedule_work(&tpg->tpg_base_work);
+ wait_for_completion(&tpg->tpg_base_comp);
+ if (op) {
+ if (!atomic_read(&tpg->lport_tpg_enabled))
+ return -ENODEV;
+ } else {
+ if (atomic_read(&tpg->lport_tpg_enabled))
+ return -EPERM;
+ }
return count;
}
if (kstrtoul(name + 5, 10, &tpgt) || tpgt > USHRT_MAX)
return ERR_PTR(-EINVAL);
- if (!lport->qla_npiv_vp && (tpgt != 1)) {
+ if ((tpgt != 1)) {
pr_err("In non NPIV mode, a single TPG=1 is used for HW port mappings\n");
return ERR_PTR(-ENOSYS);
}
kfree(tpg);
return NULL;
}
- /*
- * Setup local TPG=1 pointer for non NPIV mode.
- */
- if (lport->qla_npiv_vp == NULL)
- lport->tpg_1 = tpg;
+
+ lport->tpg_1 = tpg;
return &tpg->se_tpg;
}
struct tcm_qla2xxx_tpg, se_tpg);
struct tcm_qla2xxx_lport *lport = tpg->lport;
struct scsi_qla_host *vha = lport->qla_vha;
- struct qla_hw_data *ha = vha->hw;
/*
* Call into qla2x_target.c LLD logic to shutdown the active
* FC Nexuses and disable target mode operation for this qla_hw_data
*/
- if (ha->tgt.qla_tgt && !ha->tgt.qla_tgt->tgt_stop)
- qlt_stop_phase1(ha->tgt.qla_tgt);
+ if (vha->vha_tgt.qla_tgt && !vha->vha_tgt.qla_tgt->tgt_stop)
+ qlt_stop_phase1(vha->vha_tgt.qla_tgt);
core_tpg_deregister(se_tpg);
/*
* Clear local TPG=1 pointer for non NPIV mode.
*/
- if (lport->qla_npiv_vp == NULL)
- lport->tpg_1 = NULL;
-
+ lport->tpg_1 = NULL;
kfree(tpg);
}
+static ssize_t tcm_qla2xxx_npiv_tpg_show_enable(
+ struct se_portal_group *se_tpg,
+ char *page)
+{
+ return tcm_qla2xxx_tpg_show_enable(se_tpg, page);
+}
+
+static ssize_t tcm_qla2xxx_npiv_tpg_store_enable(
+ struct se_portal_group *se_tpg,
+ const char *page,
+ size_t count)
+{
+ struct se_wwn *se_wwn = se_tpg->se_tpg_wwn;
+ struct tcm_qla2xxx_lport *lport = container_of(se_wwn,
+ struct tcm_qla2xxx_lport, lport_wwn);
+ struct scsi_qla_host *vha = lport->qla_vha;
+ struct tcm_qla2xxx_tpg *tpg = container_of(se_tpg,
+ struct tcm_qla2xxx_tpg, se_tpg);
+ unsigned long op;
+ int rc;
+
+ rc = kstrtoul(page, 0, &op);
+ if (rc < 0) {
+ pr_err("kstrtoul() returned %d\n", rc);
+ return -EINVAL;
+ }
+ if ((op != 1) && (op != 0)) {
+ pr_err("Illegal value for tpg_enable: %lu\n", op);
+ return -EINVAL;
+ }
+ if (op) {
+ if (atomic_read(&tpg->lport_tpg_enabled))
+ return -EEXIST;
+
+ atomic_set(&tpg->lport_tpg_enabled, 1);
+ qlt_enable_vha(vha);
+ } else {
+ if (!atomic_read(&tpg->lport_tpg_enabled))
+ return count;
+
+ atomic_set(&tpg->lport_tpg_enabled, 0);
+ qlt_stop_phase1(vha->vha_tgt.qla_tgt);
+ }
+
+ return count;
+}
+
+TF_TPG_BASE_ATTR(tcm_qla2xxx_npiv, enable, S_IRUGO | S_IWUSR);
+
+static struct configfs_attribute *tcm_qla2xxx_npiv_tpg_attrs[] = {
+ &tcm_qla2xxx_npiv_tpg_enable.attr,
+ NULL,
+};
+
static struct se_portal_group *tcm_qla2xxx_npiv_make_tpg(
struct se_wwn *wwn,
struct config_group *group,
tpg->lport = lport;
tpg->lport_tpgt = tpgt;
+ /*
+ * By default allow READ-ONLY TPG demo-mode access w/ cached dynamic
+ * NodeACLs
+ */
+ tpg->tpg_attrib.generate_node_acls = 1;
+ tpg->tpg_attrib.demo_mode_write_protect = 1;
+ tpg->tpg_attrib.cache_dynamic_acls = 1;
+ tpg->tpg_attrib.demo_mode_login_only = 1;
+
ret = core_tpg_register(&tcm_qla2xxx_npiv_fabric_configfs->tf_ops, wwn,
&tpg->se_tpg, tpg, TRANSPORT_TPG_TYPE_NORMAL);
if (ret < 0) {
kfree(tpg);
return NULL;
}
+ lport->tpg_1 = tpg;
return &tpg->se_tpg;
}
scsi_qla_host_t *vha,
const uint8_t *s_id)
{
- struct qla_hw_data *ha = vha->hw;
struct tcm_qla2xxx_lport *lport;
struct se_node_acl *se_nacl;
struct tcm_qla2xxx_nacl *nacl;
u32 key;
- lport = ha->tgt.target_lport_ptr;
+ lport = vha->vha_tgt.target_lport_ptr;
if (!lport) {
pr_err("Unable to locate struct tcm_qla2xxx_lport\n");
dump_stack();
scsi_qla_host_t *vha,
const uint16_t loop_id)
{
- struct qla_hw_data *ha = vha->hw;
struct tcm_qla2xxx_lport *lport;
struct se_node_acl *se_nacl;
struct tcm_qla2xxx_nacl *nacl;
struct tcm_qla2xxx_fc_loopid *fc_loopid;
- lport = ha->tgt.target_lport_ptr;
+ lport = vha->vha_tgt.target_lport_ptr;
if (!lport) {
pr_err("Unable to locate struct tcm_qla2xxx_lport\n");
dump_stack();
{
struct qla_tgt *tgt = sess->tgt;
struct qla_hw_data *ha = tgt->ha;
+ scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
struct se_session *se_sess;
struct se_node_acl *se_nacl;
struct tcm_qla2xxx_lport *lport;
se_nacl = se_sess->se_node_acl;
nacl = container_of(se_nacl, struct tcm_qla2xxx_nacl, se_node_acl);
- lport = ha->tgt.target_lport_ptr;
+ lport = vha->vha_tgt.target_lport_ptr;
if (!lport) {
pr_err("Unable to locate struct tcm_qla2xxx_lport\n");
dump_stack();
unsigned char port_name[36];
unsigned long flags;
- lport = ha->tgt.target_lport_ptr;
+ lport = vha->vha_tgt.target_lport_ptr;
if (!lport) {
pr_err("Unable to locate struct tcm_qla2xxx_lport\n");
dump_stack();
{
struct qla_tgt *tgt = sess->tgt;
struct qla_hw_data *ha = tgt->ha;
- struct tcm_qla2xxx_lport *lport = ha->tgt.target_lport_ptr;
+ scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
+ struct tcm_qla2xxx_lport *lport = vha->vha_tgt.target_lport_ptr;
struct se_node_acl *se_nacl = sess->se_sess->se_node_acl;
struct tcm_qla2xxx_nacl *nacl = container_of(se_nacl,
struct tcm_qla2xxx_nacl, se_node_acl);
return 0;
}
-static int tcm_qla2xxx_lport_register_cb(struct scsi_qla_host *vha)
+static int tcm_qla2xxx_lport_register_cb(struct scsi_qla_host *vha,
+ void *target_lport_ptr,
+ u64 npiv_wwpn, u64 npiv_wwnn)
{
struct qla_hw_data *ha = vha->hw;
- struct tcm_qla2xxx_lport *lport;
+ struct tcm_qla2xxx_lport *lport =
+ (struct tcm_qla2xxx_lport *)target_lport_ptr;
/*
- * Setup local pointer to vha, NPIV VP pointer (if present) and
- * vha->tcm_lport pointer
+ * Setup tgt_ops, local pointer to vha and target_lport_ptr
*/
- lport = (struct tcm_qla2xxx_lport *)ha->tgt.target_lport_ptr;
+ ha->tgt.tgt_ops = &tcm_qla2xxx_template;
+ vha->vha_tgt.target_lport_ptr = target_lport_ptr;
lport->qla_vha = vha;
return 0;
if (ret != 0)
goto out;
- ret = qlt_lport_register(&tcm_qla2xxx_template, wwpn,
- tcm_qla2xxx_lport_register_cb, lport);
+ ret = qlt_lport_register(lport, wwpn, 0, 0,
+ tcm_qla2xxx_lport_register_cb);
if (ret != 0)
goto out_lport;
struct tcm_qla2xxx_lport *lport = container_of(wwn,
struct tcm_qla2xxx_lport, lport_wwn);
struct scsi_qla_host *vha = lport->qla_vha;
- struct qla_hw_data *ha = vha->hw;
struct se_node_acl *node;
u32 key = 0;
* shutdown of struct qla_tgt after the call to
* qlt_stop_phase1() from tcm_qla2xxx_drop_tpg() above..
*/
- if (ha->tgt.qla_tgt && !ha->tgt.qla_tgt->tgt_stopped)
- qlt_stop_phase2(ha->tgt.qla_tgt);
+ if (vha->vha_tgt.qla_tgt && !vha->vha_tgt.qla_tgt->tgt_stopped)
+ qlt_stop_phase2(vha->vha_tgt.qla_tgt);
qlt_lport_deregister(vha);
kfree(lport);
}
+static int tcm_qla2xxx_lport_register_npiv_cb(struct scsi_qla_host *base_vha,
+ void *target_lport_ptr,
+ u64 npiv_wwpn, u64 npiv_wwnn)
+{
+ struct fc_vport *vport;
+ struct Scsi_Host *sh = base_vha->host;
+ struct scsi_qla_host *npiv_vha;
+ struct tcm_qla2xxx_lport *lport =
+ (struct tcm_qla2xxx_lport *)target_lport_ptr;
+ struct tcm_qla2xxx_lport *base_lport =
+ (struct tcm_qla2xxx_lport *)base_vha->vha_tgt.target_lport_ptr;
+ struct tcm_qla2xxx_tpg *base_tpg;
+ struct fc_vport_identifiers vport_id;
+
+ if (!qla_tgt_mode_enabled(base_vha)) {
+ pr_err("qla2xxx base_vha not enabled for target mode\n");
+ return -EPERM;
+ }
+
+ if (!base_lport || !base_lport->tpg_1 ||
+ !atomic_read(&base_lport->tpg_1->lport_tpg_enabled)) {
+ pr_err("qla2xxx base_lport or tpg_1 not available\n");
+ return -EPERM;
+ }
+ base_tpg = base_lport->tpg_1;
+
+ memset(&vport_id, 0, sizeof(vport_id));
+ vport_id.port_name = npiv_wwpn;
+ vport_id.node_name = npiv_wwnn;
+ vport_id.roles = FC_PORT_ROLE_FCP_INITIATOR;
+ vport_id.vport_type = FC_PORTTYPE_NPIV;
+ vport_id.disable = false;
+
+ vport = fc_vport_create(sh, 0, &vport_id);
+ if (!vport) {
+ pr_err("fc_vport_create failed for qla2xxx_npiv\n");
+ return -ENODEV;
+ }
+ /*
+ * Setup local pointer to NPIV vhba + target_lport_ptr
+ */
+ npiv_vha = (struct scsi_qla_host *)vport->dd_data;
+ npiv_vha->vha_tgt.target_lport_ptr = target_lport_ptr;
+ lport->qla_vha = npiv_vha;
+ scsi_host_get(npiv_vha->host);
+ return 0;
+}
+
+
static struct se_wwn *tcm_qla2xxx_npiv_make_lport(
struct target_fabric_configfs *tf,
struct config_group *group,
const char *name)
{
struct tcm_qla2xxx_lport *lport;
- u64 npiv_wwpn, npiv_wwnn;
+ u64 phys_wwpn, npiv_wwpn, npiv_wwnn;
+ char *p, tmp[128];
int ret;
- if (tcm_qla2xxx_npiv_parse_wwn(name, strlen(name)+1,
- &npiv_wwpn, &npiv_wwnn) < 0)
+ snprintf(tmp, 128, "%s", name);
+
+ p = strchr(tmp, '@');
+ if (!p) {
+ pr_err("Unable to locate NPIV '@' seperator\n");
+ return ERR_PTR(-EINVAL);
+ }
+ *p++ = '\0';
+
+ if (tcm_qla2xxx_parse_wwn(tmp, &phys_wwpn, 1) < 0)
+ return ERR_PTR(-EINVAL);
+
+ if (tcm_qla2xxx_npiv_parse_wwn(p, strlen(p)+1,
+ &npiv_wwpn, &npiv_wwnn) < 0)
return ERR_PTR(-EINVAL);
lport = kzalloc(sizeof(struct tcm_qla2xxx_lport), GFP_KERNEL);
}
lport->lport_npiv_wwpn = npiv_wwpn;
lport->lport_npiv_wwnn = npiv_wwnn;
- tcm_qla2xxx_npiv_format_wwn(&lport->lport_npiv_name[0],
- TCM_QLA2XXX_NAMELEN, npiv_wwpn, npiv_wwnn);
sprintf(lport->lport_naa_name, "naa.%016llx", (unsigned long long) npiv_wwpn);
-/* FIXME: tcm_qla2xxx_npiv_make_lport */
- ret = -ENOSYS;
+ ret = tcm_qla2xxx_init_lport(lport);
if (ret != 0)
goto out;
+ ret = qlt_lport_register(lport, phys_wwpn, npiv_wwpn, npiv_wwnn,
+ tcm_qla2xxx_lport_register_npiv_cb);
+ if (ret != 0)
+ goto out_lport;
+
return &lport->lport_wwn;
+out_lport:
+ vfree(lport->lport_loopid_map);
+ btree_destroy32(&lport->lport_fcport_map);
out:
kfree(lport);
return ERR_PTR(ret);
{
struct tcm_qla2xxx_lport *lport = container_of(wwn,
struct tcm_qla2xxx_lport, lport_wwn);
- struct scsi_qla_host *vha = lport->qla_vha;
- struct Scsi_Host *sh = vha->host;
+ struct scsi_qla_host *npiv_vha = lport->qla_vha;
+ struct qla_hw_data *ha = npiv_vha->hw;
+ scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
+
+ scsi_host_put(npiv_vha->host);
/*
- * Notify libfc that we want to release the lport->npiv_vport
+ * Notify libfc that we want to release the vha->fc_vport
*/
- fc_vport_terminate(lport->npiv_vport);
-
- scsi_host_put(sh);
+ fc_vport_terminate(npiv_vha->fc_vport);
+ scsi_host_put(base_vha->host);
kfree(lport);
}
static struct target_core_fabric_ops tcm_qla2xxx_npiv_ops = {
.get_fabric_name = tcm_qla2xxx_npiv_get_fabric_name,
.get_fabric_proto_ident = tcm_qla2xxx_get_fabric_proto_ident,
- .tpg_get_wwn = tcm_qla2xxx_npiv_get_fabric_wwn,
+ .tpg_get_wwn = tcm_qla2xxx_get_fabric_wwn,
.tpg_get_tag = tcm_qla2xxx_get_tag,
.tpg_get_default_depth = tcm_qla2xxx_get_default_depth,
.tpg_get_pr_transport_id = tcm_qla2xxx_get_pr_transport_id,
.tpg_get_pr_transport_id_len = tcm_qla2xxx_get_pr_transport_id_len,
.tpg_parse_pr_out_transport_id = tcm_qla2xxx_parse_pr_out_transport_id,
- .tpg_check_demo_mode = tcm_qla2xxx_check_false,
- .tpg_check_demo_mode_cache = tcm_qla2xxx_check_true,
- .tpg_check_demo_mode_write_protect = tcm_qla2xxx_check_true,
- .tpg_check_prod_mode_write_protect = tcm_qla2xxx_check_false,
+ .tpg_check_demo_mode = tcm_qla2xxx_check_demo_mode,
+ .tpg_check_demo_mode_cache = tcm_qla2xxx_check_demo_mode_cache,
+ .tpg_check_demo_mode_write_protect = tcm_qla2xxx_check_demo_mode,
+ .tpg_check_prod_mode_write_protect =
+ tcm_qla2xxx_check_prod_write_protect,
.tpg_check_demo_mode_login_only = tcm_qla2xxx_check_demo_mode_login_only,
.tpg_alloc_fabric_acl = tcm_qla2xxx_alloc_fabric_acl,
.tpg_release_fabric_acl = tcm_qla2xxx_release_fabric_acl,
.tpg_get_inst_index = tcm_qla2xxx_tpg_get_inst_index,
+ .check_stop_free = tcm_qla2xxx_check_stop_free,
.release_cmd = tcm_qla2xxx_release_cmd,
.put_session = tcm_qla2xxx_put_session,
.shutdown_session = tcm_qla2xxx_shutdown_session,
* Setup default attribute lists for various npiv_fabric->tf_cit_tmpl
*/
npiv_fabric->tf_cit_tmpl.tfc_wwn_cit.ct_attrs = tcm_qla2xxx_wwn_attrs;
- npiv_fabric->tf_cit_tmpl.tfc_tpg_base_cit.ct_attrs = NULL;
+ npiv_fabric->tf_cit_tmpl.tfc_tpg_base_cit.ct_attrs =
+ tcm_qla2xxx_npiv_tpg_attrs;
npiv_fabric->tf_cit_tmpl.tfc_tpg_attrib_cit.ct_attrs = NULL;
npiv_fabric->tf_cit_tmpl.tfc_tpg_param_cit.ct_attrs = NULL;
npiv_fabric->tf_cit_tmpl.tfc_tpg_np_base_cit.ct_attrs = NULL;
projects / ~andy / linux / blobdiff