qla2xxx: Enhancements to enable NPIV support for QLOGIC ISPs with TCM/LIO.

Signed-off-by: Sawan Chandak <sawan.chandak@qlogic.com>
Signed-off-by: Quinn Tran <quinn.tran@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 5f174b8..9c412b5 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -1994,6 +1994,8 @@ qla24xx_vport_delete(struct fc_vport *fc_vport)
 
        vha->flags.delete_progress = 1;
 
+       qlt_remove_target(ha, vha);
+
        fc_remove_host(vha->host);
 
        scsi_remove_host(vha->host);

diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 93db74e..e7be8a5 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -2750,6 +2750,13 @@ struct qlfc_fw {
        uint32_t len;
 };
 
+struct scsi_qlt_host {
+       void *target_lport_ptr;
+       struct mutex tgt_mutex;
+       struct mutex tgt_host_action_mutex;
+       struct qla_tgt *qla_tgt;
+};
+
 struct qlt_hw_data {
        /* Protected by hw lock */
        uint32_t enable_class_2:1;
@@ -2765,15 +2772,11 @@ struct qlt_hw_data {
        uint32_t __iomem *atio_q_in;
        uint32_t __iomem *atio_q_out;
 
-       void *target_lport_ptr;
        struct qla_tgt_func_tmpl *tgt_ops;
-       struct qla_tgt *qla_tgt;
        struct qla_tgt_cmd *cmds[DEFAULT_OUTSTANDING_COMMANDS];
        uint16_t current_handle;
 
        struct qla_tgt_vp_map *tgt_vp_map;
-       struct mutex tgt_mutex;
-       struct mutex tgt_host_action_mutex;
 
        int saved_set;
        uint16_t saved_exchange_count;
@@ -3441,6 +3444,7 @@ typedef struct scsi_qla_host {
 #define VP_ERR_FAB_LOGOUT      4
 #define VP_ERR_ADAP_NORESOURCES        5
        struct qla_hw_data *hw;
+       struct scsi_qlt_host vha_tgt;
        struct req_que *req;
        int             fw_heartbeat_counter;
        int             seconds_since_last_heartbeat;

diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index 0b6c5f9..34ed246 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -589,7 +589,7 @@ static struct qla_tgt_sess *qlt_create_sess(
 
        /* Check to avoid double sessions */
        spin_lock_irqsave(&ha->hardware_lock, flags);
-       list_for_each_entry(sess, &ha->tgt.qla_tgt->sess_list,
+       list_for_each_entry(sess, &vha->vha_tgt.qla_tgt->sess_list,
                                sess_list_entry) {
                if (!memcmp(sess->port_name, fcport->port_name, WWN_SIZE)) {
                        ql_dbg(ql_dbg_tgt_mgt, vha, 0xf005,
@@ -626,7 +626,7 @@ static struct qla_tgt_sess *qlt_create_sess(
 
                return NULL;
        }
-       sess->tgt = ha->tgt.qla_tgt;
+       sess->tgt = vha->vha_tgt.qla_tgt;
        sess->vha = vha;
        sess->s_id = fcport->d_id;
        sess->loop_id = fcport->loop_id;
@@ -634,7 +634,7 @@ static struct qla_tgt_sess *qlt_create_sess(
 
        ql_dbg(ql_dbg_tgt_mgt, vha, 0xf006,
            "Adding sess %p to tgt %p via ->check_initiator_node_acl()\n",
-           sess, ha->tgt.qla_tgt);
+           sess, vha->vha_tgt.qla_tgt);
 
        be_sid[0] = sess->s_id.b.domain;
        be_sid[1] = sess->s_id.b.area;
@@ -661,8 +661,8 @@ static struct qla_tgt_sess *qlt_create_sess(
        memcpy(sess->port_name, fcport->port_name, sizeof(sess->port_name));
 
        spin_lock_irqsave(&ha->hardware_lock, flags);
-       list_add_tail(&sess->sess_list_entry, &ha->tgt.qla_tgt->sess_list);
-       ha->tgt.qla_tgt->sess_count++;
+       list_add_tail(&sess->sess_list_entry, &vha->vha_tgt.qla_tgt->sess_list);
+       vha->vha_tgt.qla_tgt->sess_count++;
        spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
        ql_dbg(ql_dbg_tgt_mgt, vha, 0xf04b,
@@ -681,7 +681,7 @@ static struct qla_tgt_sess *qlt_create_sess(
 void qlt_fc_port_added(struct scsi_qla_host *vha, fc_port_t *fcport)
 {
        struct qla_hw_data *ha = vha->hw;
-       struct qla_tgt *tgt = ha->tgt.qla_tgt;
+       struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
        struct qla_tgt_sess *sess;
        unsigned long flags;
 
@@ -691,6 +691,9 @@ void qlt_fc_port_added(struct scsi_qla_host *vha, fc_port_t *fcport)
        if (!tgt || (fcport->port_type != FCT_INITIATOR))
                return;
 
+       if (qla_ini_mode_enabled(vha))
+               return;
+
        spin_lock_irqsave(&ha->hardware_lock, flags);
        if (tgt->tgt_stop) {
                spin_unlock_irqrestore(&ha->hardware_lock, flags);
@@ -700,9 +703,9 @@ void qlt_fc_port_added(struct scsi_qla_host *vha, fc_port_t *fcport)
        if (!sess) {
                spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
-               mutex_lock(&ha->tgt.tgt_mutex);
+               mutex_lock(&vha->vha_tgt.tgt_mutex);
                sess = qlt_create_sess(vha, fcport, false);
-               mutex_unlock(&ha->tgt.tgt_mutex);
+               mutex_unlock(&vha->vha_tgt.tgt_mutex);
 
                spin_lock_irqsave(&ha->hardware_lock, flags);
        } else {
@@ -738,7 +741,7 @@ void qlt_fc_port_added(struct scsi_qla_host *vha, fc_port_t *fcport)
 void qlt_fc_port_deleted(struct scsi_qla_host *vha, fc_port_t *fcport)
 {
        struct qla_hw_data *ha = vha->hw;
-       struct qla_tgt *tgt = ha->tgt.qla_tgt;
+       struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
        struct qla_tgt_sess *sess;
        unsigned long flags;
 
@@ -805,12 +808,12 @@ void qlt_stop_phase1(struct qla_tgt *tgt)
         * Mutex needed to sync with qla_tgt_fc_port_[added,deleted].
         * Lock is needed, because we still can get an incoming packet.
         */
-       mutex_lock(&ha->tgt.tgt_mutex);
+       mutex_lock(&vha->vha_tgt.tgt_mutex);
        spin_lock_irqsave(&ha->hardware_lock, flags);
        tgt->tgt_stop = 1;
        qlt_clear_tgt_db(tgt, true);
        spin_unlock_irqrestore(&ha->hardware_lock, flags);
-       mutex_unlock(&ha->tgt.tgt_mutex);
+       mutex_unlock(&vha->vha_tgt.tgt_mutex);
 
        flush_delayed_work(&tgt->sess_del_work);
 
@@ -844,20 +847,21 @@ EXPORT_SYMBOL(qlt_stop_phase1);
 void qlt_stop_phase2(struct qla_tgt *tgt)
 {
        struct qla_hw_data *ha = tgt->ha;
+       scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
        unsigned long flags;
 
        if (tgt->tgt_stopped) {
-               ql_dbg(ql_dbg_tgt_mgt, tgt->vha, 0xf04f,
+               ql_dbg(ql_dbg_tgt_mgt, vha, 0xf04f,
                    "Already in tgt->tgt_stopped state\n");
                dump_stack();
                return;
        }
 
-       ql_dbg(ql_dbg_tgt_mgt, tgt->vha, 0xf00b,
+       ql_dbg(ql_dbg_tgt_mgt, vha, 0xf00b,
            "Waiting for %d IRQ commands to complete (tgt %p)",
            tgt->irq_cmd_count, tgt);
 
-       mutex_lock(&ha->tgt.tgt_mutex);
+       mutex_lock(&vha->vha_tgt.tgt_mutex);
        spin_lock_irqsave(&ha->hardware_lock, flags);
        while (tgt->irq_cmd_count != 0) {
                spin_unlock_irqrestore(&ha->hardware_lock, flags);
@@ -867,9 +871,9 @@ void qlt_stop_phase2(struct qla_tgt *tgt)
        tgt->tgt_stop = 0;
        tgt->tgt_stopped = 1;
        spin_unlock_irqrestore(&ha->hardware_lock, flags);
-       mutex_unlock(&ha->tgt.tgt_mutex);
+       mutex_unlock(&vha->vha_tgt.tgt_mutex);
 
-       ql_dbg(ql_dbg_tgt_mgt, tgt->vha, 0xf00c, "Stop of tgt %p finished",
+       ql_dbg(ql_dbg_tgt_mgt, vha, 0xf00c, "Stop of tgt %p finished",
            tgt);
 }
 EXPORT_SYMBOL(qlt_stop_phase2);
@@ -877,14 +881,14 @@ EXPORT_SYMBOL(qlt_stop_phase2);
 /* Called from qlt_remove_target() -> qla2x00_remove_one() */
 static void qlt_release(struct qla_tgt *tgt)
 {
-       struct qla_hw_data *ha = tgt->ha;
+       scsi_qla_host_t *vha = tgt->vha;
 
-       if ((ha->tgt.qla_tgt != NULL) && !tgt->tgt_stopped)
+       if ((vha->vha_tgt.qla_tgt != NULL) && !tgt->tgt_stopped)
                qlt_stop_phase2(tgt);
 
-       ha->tgt.qla_tgt = NULL;
+       vha->vha_tgt.qla_tgt = NULL;
 
-       ql_dbg(ql_dbg_tgt_mgt, tgt->vha, 0xf00d,
+       ql_dbg(ql_dbg_tgt_mgt, vha, 0xf00d,
            "Release of tgt %p finished\n", tgt);
 
        kfree(tgt);
@@ -948,8 +952,8 @@ static void qlt_send_notify_ack(struct scsi_qla_host *vha,
                return;
        }
 
-       if (ha->tgt.qla_tgt != NULL)
-               ha->tgt.qla_tgt->notify_ack_expected++;
+       if (vha->vha_tgt.qla_tgt != NULL)
+               vha->vha_tgt.qla_tgt->notify_ack_expected++;
 
        pkt->entry_type = NOTIFY_ACK_TYPE;
        pkt->entry_count = 1;
@@ -1053,7 +1057,7 @@ static void qlt_24xx_send_abts_resp(struct scsi_qla_host *vha,
                /* Other bytes are zero */
        }
 
-       ha->tgt.qla_tgt->abts_resp_expected++;
+       vha->vha_tgt.qla_tgt->abts_resp_expected++;
 
        qla2x00_start_iocbs(vha, vha->req);
 }
@@ -1205,7 +1209,7 @@ static void qlt_24xx_handle_abts(struct scsi_qla_host *vha,
                ql_dbg(ql_dbg_tgt_mgt, vha, 0xf012,
                    "qla_target(%d): task abort for non-existant session\n",
                    vha->vp_idx);
-               rc = qlt_sched_sess_work(ha->tgt.qla_tgt,
+               rc = qlt_sched_sess_work(vha->vha_tgt.qla_tgt,
                    QLA_TGT_SESS_WORK_ABORT, abts, sizeof(*abts));
                if (rc != 0) {
                        qlt_24xx_send_abts_resp(vha, abts, FCP_TMF_REJECTED,
@@ -2156,8 +2160,7 @@ static int qlt_prepare_srr_ctio(struct scsi_qla_host *vha,
        struct qla_tgt_cmd *cmd, void *ctio)
 {
        struct qla_tgt_srr_ctio *sc;
-       struct qla_hw_data *ha = vha->hw;
-       struct qla_tgt *tgt = ha->tgt.qla_tgt;
+       struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
        struct qla_tgt_srr_imm *imm;
 
        tgt->ctio_srr_id++;
@@ -2473,7 +2476,7 @@ static void qlt_do_work(struct work_struct *work)
        struct qla_tgt_cmd *cmd = container_of(work, struct qla_tgt_cmd, work);
        scsi_qla_host_t *vha = cmd->vha;
        struct qla_hw_data *ha = vha->hw;
-       struct qla_tgt *tgt = ha->tgt.qla_tgt;
+       struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
        struct qla_tgt_sess *sess = NULL;
        struct atio_from_isp *atio = &cmd->atio;
        unsigned char *cdb;
@@ -2506,10 +2509,10 @@ static void qlt_do_work(struct work_struct *work)
                        goto out_term;
                }
 
-               mutex_lock(&ha->tgt.tgt_mutex);
+               mutex_lock(&vha->vha_tgt.tgt_mutex);
                sess = qlt_make_local_sess(vha, s_id);
                /* sess has an extra creation ref. */
-               mutex_unlock(&ha->tgt.tgt_mutex);
+               mutex_unlock(&vha->vha_tgt.tgt_mutex);
 
                if (!sess)
                        goto out_term;
@@ -2575,8 +2578,7 @@ out_term:
 static int qlt_handle_cmd_for_atio(struct scsi_qla_host *vha,
        struct atio_from_isp *atio)
 {
-       struct qla_hw_data *ha = vha->hw;
-       struct qla_tgt *tgt = ha->tgt.qla_tgt;
+       struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
        struct qla_tgt_cmd *cmd;
 
        if (unlikely(tgt->tgt_stop)) {
@@ -2596,7 +2598,7 @@ static int qlt_handle_cmd_for_atio(struct scsi_qla_host *vha,
 
        memcpy(&cmd->atio, atio, sizeof(*atio));
        cmd->state = QLA_TGT_STATE_NEW;
-       cmd->tgt = ha->tgt.qla_tgt;
+       cmd->tgt = vha->vha_tgt.qla_tgt;
        cmd->vha = vha;
 
        INIT_WORK(&cmd->work, qlt_do_work);
@@ -2722,7 +2724,7 @@ static int qlt_handle_task_mgmt(struct scsi_qla_host *vha, void *iocb)
        uint32_t lun, unpacked_lun;
        int lun_size, fn;
 
-       tgt = ha->tgt.qla_tgt;
+       tgt = vha->vha_tgt.qla_tgt;
 
        lun = a->u.isp24.fcp_cmnd.lun;
        lun_size = sizeof(a->u.isp24.fcp_cmnd.lun);
@@ -2796,7 +2798,7 @@ static int qlt_abort_task(struct scsi_qla_host *vha,
                ql_dbg(ql_dbg_tgt_mgt, vha, 0xf025,
                    "qla_target(%d): task abort for unexisting "
                    "session\n", vha->vp_idx);
-               return qlt_sched_sess_work(ha->tgt.qla_tgt,
+               return qlt_sched_sess_work(vha->vha_tgt.qla_tgt,
                    QLA_TGT_SESS_WORK_ABORT, iocb, sizeof(*iocb));
        }
 
@@ -2809,7 +2811,6 @@ static int qlt_abort_task(struct scsi_qla_host *vha,
 static int qlt_24xx_handle_els(struct scsi_qla_host *vha,
        struct imm_ntfy_from_isp *iocb)
 {
-       struct qla_hw_data *ha = vha->hw;
        int res = 0;
 
        ql_dbg(ql_dbg_tgt_mgt, vha, 0xf026,
@@ -2827,7 +2828,7 @@ static int qlt_24xx_handle_els(struct scsi_qla_host *vha,
        case ELS_PDISC:
        case ELS_ADISC:
        {
-               struct qla_tgt *tgt = ha->tgt.qla_tgt;
+               struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
                if (tgt->link_reinit_iocb_pending) {
                        qlt_send_notify_ack(vha, &tgt->link_reinit_iocb,
                            0, 0, 0, 0, 0, 0);
@@ -3201,8 +3202,7 @@ static void qlt_prepare_srr_imm(struct scsi_qla_host *vha,
        struct imm_ntfy_from_isp *iocb)
 {
        struct qla_tgt_srr_imm *imm;
-       struct qla_hw_data *ha = vha->hw;
-       struct qla_tgt *tgt = ha->tgt.qla_tgt;
+       struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
        struct qla_tgt_srr_ctio *sctio;
 
        tgt->imm_srr_id++;
@@ -3312,7 +3312,7 @@ static void qlt_handle_imm_notify(struct scsi_qla_host *vha,
 
        case IMM_NTFY_LIP_LINK_REINIT:
        {
-               struct qla_tgt *tgt = ha->tgt.qla_tgt;
+               struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
                ql_dbg(ql_dbg_tgt_mgt, vha, 0xf033,
                    "qla_target(%d): LINK REINIT (loop %#x, "
                    "subcode %x)\n", vha->vp_idx,
@@ -3488,7 +3488,7 @@ static void qlt_24xx_atio_pkt(struct scsi_qla_host *vha,
        struct atio_from_isp *atio)
 {
        struct qla_hw_data *ha = vha->hw;
-       struct qla_tgt *tgt = ha->tgt.qla_tgt;
+       struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
        int rc;
 
        if (unlikely(tgt == NULL)) {
@@ -3590,7 +3590,7 @@ static void qlt_24xx_atio_pkt(struct scsi_qla_host *vha,
 static void qlt_response_pkt(struct scsi_qla_host *vha, response_t *pkt)
 {
        struct qla_hw_data *ha = vha->hw;
-       struct qla_tgt *tgt = ha->tgt.qla_tgt;
+       struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
 
        if (unlikely(tgt == NULL)) {
                ql_dbg(ql_dbg_tgt, vha, 0xe05d,
@@ -3793,7 +3793,7 @@ void qlt_async_event(uint16_t code, struct scsi_qla_host *vha,
        uint16_t *mailbox)
 {
        struct qla_hw_data *ha = vha->hw;
-       struct qla_tgt *tgt = ha->tgt.qla_tgt;
+       struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
        int login_code;
 
        ql_dbg(ql_dbg_tgt, vha, 0xe039,
@@ -3923,14 +3923,14 @@ static fc_port_t *qlt_get_port_database(struct scsi_qla_host *vha,
 static struct qla_tgt_sess *qlt_make_local_sess(struct scsi_qla_host *vha,
        uint8_t *s_id)
 {
-       struct qla_hw_data *ha = vha->hw;
        struct qla_tgt_sess *sess = NULL;
        fc_port_t *fcport = NULL;
        int rc, global_resets;
        uint16_t loop_id = 0;
 
 retry:
-       global_resets = atomic_read(&ha->tgt.qla_tgt->tgt_global_resets_count);
+       global_resets =
+           atomic_read(&vha->vha_tgt.qla_tgt->tgt_global_resets_count);
 
        rc = qla24xx_get_loop_id(vha, s_id, &loop_id);
        if (rc != 0) {
@@ -3957,12 +3957,13 @@ retry:
                return NULL;
 
        if (global_resets !=
-           atomic_read(&ha->tgt.qla_tgt->tgt_global_resets_count)) {
+           atomic_read(&vha->vha_tgt.qla_tgt->tgt_global_resets_count)) {
                ql_dbg(ql_dbg_tgt_mgt, vha, 0xf043,
                    "qla_target(%d): global reset during session discovery "
                    "(counter was %d, new %d), retrying", vha->vp_idx,
                    global_resets,
-                   atomic_read(&ha->tgt.qla_tgt->tgt_global_resets_count));
+                   atomic_read(&vha->vha_tgt.
+                       qla_tgt->tgt_global_resets_count));
                goto retry;
        }
 
@@ -3997,10 +3998,10 @@ static void qlt_abort_work(struct qla_tgt *tgt,
        if (!sess) {
                spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
-               mutex_lock(&ha->tgt.tgt_mutex);
+               mutex_lock(&vha->vha_tgt.tgt_mutex);
                sess = qlt_make_local_sess(vha, s_id);
                /* sess has got an extra creation ref */
-               mutex_unlock(&ha->tgt.tgt_mutex);
+               mutex_unlock(&vha->vha_tgt.tgt_mutex);
 
                spin_lock_irqsave(&ha->hardware_lock, flags);
                if (!sess)
@@ -4051,10 +4052,10 @@ static void qlt_tmr_work(struct qla_tgt *tgt,
        if (!sess) {
                spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
-               mutex_lock(&ha->tgt.tgt_mutex);
+               mutex_lock(&vha->vha_tgt.tgt_mutex);
                sess = qlt_make_local_sess(vha, s_id);
                /* sess has got an extra creation ref */
-               mutex_unlock(&ha->tgt.tgt_mutex);
+               mutex_unlock(&vha->vha_tgt.tgt_mutex);
 
                spin_lock_irqsave(&ha->hardware_lock, flags);
                if (!sess)
@@ -4140,9 +4141,9 @@ int qlt_add_target(struct qla_hw_data *ha, struct scsi_qla_host *base_vha)
        }
 
        ql_dbg(ql_dbg_tgt, base_vha, 0xe03b,
-           "Registering target for host %ld(%p)", base_vha->host_no, ha);
+           "Registering target for host %ld(%p).\n", base_vha->host_no, ha);
 
-       BUG_ON((ha->tgt.qla_tgt != NULL) || (ha->tgt.tgt_ops != NULL));
+       BUG_ON(base_vha->vha_tgt.qla_tgt != NULL);
 
        tgt = kzalloc(sizeof(struct qla_tgt), GFP_KERNEL);
        if (!tgt) {
@@ -4170,7 +4171,7 @@ int qlt_add_target(struct qla_hw_data *ha, struct scsi_qla_host *base_vha)
        INIT_WORK(&tgt->srr_work, qlt_handle_srr_work);
        atomic_set(&tgt->tgt_global_resets_count, 0);
 
-       ha->tgt.qla_tgt = tgt;
+       base_vha->vha_tgt.qla_tgt = tgt;
 
        ql_dbg(ql_dbg_tgt, base_vha, 0xe067,
                "qla_target(%d): using 64 Bit PCI addressing",
@@ -4191,16 +4192,16 @@ int qlt_add_target(struct qla_hw_data *ha, struct scsi_qla_host *base_vha)
 /* Must be called under tgt_host_action_mutex */
 int qlt_remove_target(struct qla_hw_data *ha, struct scsi_qla_host *vha)
 {
-       if (!ha->tgt.qla_tgt)
+       if (!vha->vha_tgt.qla_tgt)
                return 0;
 
        mutex_lock(&qla_tgt_mutex);
-       list_del(&ha->tgt.qla_tgt->tgt_list_entry);
+       list_del(&vha->vha_tgt.qla_tgt->tgt_list_entry);
        mutex_unlock(&qla_tgt_mutex);
 
        ql_dbg(ql_dbg_tgt, vha, 0xe03c, "Unregistering target for host %ld(%p)",
            vha->host_no, ha);
-       qlt_release(ha->tgt.qla_tgt);
+       qlt_release(vha->vha_tgt.qla_tgt);
 
        return 0;
 }
@@ -4254,9 +4255,6 @@ int qlt_lport_register(struct qla_tgt_func_tmpl *qla_tgt_ops, u64 wwpn,
                if (!host)
                        continue;
 
-               if (ha->tgt.tgt_ops != NULL)
-                       continue;
-
                if (!(host->hostt->supported_mode & MODE_TARGET))
                        continue;
 
@@ -4285,11 +4283,11 @@ int qlt_lport_register(struct qla_tgt_func_tmpl *qla_tgt_ops, u64 wwpn,
                 * Setup passed parameters ahead of invoking callback
                 */
                ha->tgt.tgt_ops = qla_tgt_ops;
-               ha->tgt.target_lport_ptr = target_lport_ptr;
+               vha->vha_tgt.target_lport_ptr = target_lport_ptr;
                rc = (*callback)(vha);
                if (rc != 0) {
                        ha->tgt.tgt_ops = NULL;
-                       ha->tgt.target_lport_ptr = NULL;
+                       vha->vha_tgt.target_lport_ptr = NULL;
                        scsi_host_put(host);
                }
                mutex_unlock(&qla_tgt_mutex);
@@ -4313,7 +4311,7 @@ void qlt_lport_deregister(struct scsi_qla_host *vha)
        /*
         * Clear the target_lport_ptr qla_target_template pointer in qla_hw_data
         */
-       ha->tgt.target_lport_ptr = NULL;
+       vha->vha_tgt.target_lport_ptr = NULL;
        ha->tgt.tgt_ops = NULL;
        /*
         * Release the Scsi_Host reference for the underlying qla2xxx host
@@ -4375,8 +4373,9 @@ void
 qlt_enable_vha(struct scsi_qla_host *vha)
 {
        struct qla_hw_data *ha = vha->hw;
-       struct qla_tgt *tgt = ha->tgt.qla_tgt;
+       struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
        unsigned long flags;
+       scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
 
        if (!tgt) {
                ql_dbg(ql_dbg_tgt, vha, 0xe069,
@@ -4391,9 +4390,14 @@ qlt_enable_vha(struct scsi_qla_host *vha)
        qlt_set_mode(vha);
        spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
-       set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
-       qla2xxx_wake_dpc(vha);
-       qla2x00_wait_for_hba_online(vha);
+       if (vha->vp_idx) {
+               qla24xx_disable_vp(vha);
+               qla24xx_enable_vp(vha);
+       } else {
+               set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
+               qla2xxx_wake_dpc(base_vha);
+               qla2x00_wait_for_hba_online(base_vha);
+       }
 }
 EXPORT_SYMBOL(qlt_enable_vha);
 
@@ -4406,7 +4410,7 @@ void
 qlt_disable_vha(struct scsi_qla_host *vha)
 {
        struct qla_hw_data *ha = vha->hw;
-       struct qla_tgt *tgt = ha->tgt.qla_tgt;
+       struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
        unsigned long flags;
 
        if (!tgt) {
@@ -4437,8 +4441,10 @@ qlt_vport_create(struct scsi_qla_host *vha, struct qla_hw_data *ha)
        if (!qla_tgt_mode_enabled(vha))
                return;
 
-       mutex_init(&ha->tgt.tgt_mutex);
-       mutex_init(&ha->tgt.tgt_host_action_mutex);
+       vha->vha_tgt.qla_tgt = NULL;
+
+       mutex_init(&vha->vha_tgt.tgt_mutex);
+       mutex_init(&vha->vha_tgt.tgt_host_action_mutex);
 
        qlt_clear_mode(vha);
 
@@ -4449,6 +4455,8 @@ qlt_vport_create(struct scsi_qla_host *vha, struct qla_hw_data *ha)
         * assigning the value appropriately.
         */
        ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
+
+       qlt_add_target(ha, vha);
 }
 
 void
@@ -4767,8 +4775,8 @@ qlt_probe_one_stage1(struct scsi_qla_host *base_vha, struct qla_hw_data *ha)
                ISP_ATIO_Q_OUT(base_vha) = &ha->iobase->isp24.atio_q_out;
        }
 
-       mutex_init(&ha->tgt.tgt_mutex);
-       mutex_init(&ha->tgt.tgt_host_action_mutex);
+       mutex_init(&base_vha->vha_tgt.tgt_mutex);
+       mutex_init(&base_vha->vha_tgt.tgt_host_action_mutex);
        qlt_clear_mode(base_vha);
 }
 

diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
index 7eb19be..113ca95 100644 (file)
--- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c
+++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
@@ -53,16 +53,6 @@
 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
@@ -174,7 +164,7 @@ static int tcm_qla2xxx_npiv_parse_wwn(
        *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 */
@@ -777,6 +767,9 @@ static void tcm_qla2xxx_put_session(struct se_session *se_sess)
 
 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);
 }
@@ -957,7 +950,6 @@ static ssize_t tcm_qla2xxx_tpg_store_enable(
        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;
@@ -977,12 +969,12 @@ static ssize_t tcm_qla2xxx_tpg_store_enable(
                atomic_set(&tpg->lport_tpg_enabled, 1);
                qlt_enable_vha(vha);
        } else {
-               if (!ha->tgt.qla_tgt) {
-                       pr_err("truct qla_hw_data *ha->tgt.qla_tgt is NULL\n");
+               if (!vha->vha_tgt.qla_tgt) {
+                       pr_err("struct qla_hw_data *vha->vha_tgt.qla_tgt is NULL\n");
                        return -ENODEV;
                }
                atomic_set(&tpg->lport_tpg_enabled, 0);
-               qlt_stop_phase1(ha->tgt.qla_tgt);
+               qlt_stop_phase1(vha->vha_tgt.qla_tgt);
        }
 
        return count;
@@ -1011,7 +1003,7 @@ static struct se_portal_group *tcm_qla2xxx_make_tpg(
        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);
        }
@@ -1038,11 +1030,8 @@ static struct se_portal_group *tcm_qla2xxx_make_tpg(
                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;
 }
@@ -1053,19 +1042,17 @@ static void tcm_qla2xxx_drop_tpg(struct se_portal_group *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;
 
        kfree(tpg);
@@ -1095,12 +1082,22 @@ static struct se_portal_group *tcm_qla2xxx_npiv_make_tpg(
        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;
 }
 
@@ -1111,13 +1108,12 @@ static struct qla_tgt_sess *tcm_qla2xxx_find_sess_by_s_id(
        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();
@@ -1221,13 +1217,12 @@ static struct qla_tgt_sess *tcm_qla2xxx_find_sess_by_loop_id(
        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();
@@ -1341,6 +1336,7 @@ static void tcm_qla2xxx_free_session(struct qla_tgt_sess *sess)
 {
        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;
@@ -1357,7 +1353,7 @@ static void tcm_qla2xxx_free_session(struct qla_tgt_sess *sess)
        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();
@@ -1391,7 +1387,7 @@ static int tcm_qla2xxx_check_initiator_node_acl(
        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();
@@ -1455,7 +1451,8 @@ static void tcm_qla2xxx_update_sess(struct qla_tgt_sess *sess, port_id_t s_id,
 {
        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);
@@ -1564,13 +1561,12 @@ static int tcm_qla2xxx_init_lport(struct tcm_qla2xxx_lport *lport)
 
 static int tcm_qla2xxx_lport_register_cb(struct scsi_qla_host *vha)
 {
-       struct qla_hw_data *ha = vha->hw;
        struct tcm_qla2xxx_lport *lport;
        /*
         * Setup local pointer to vha, NPIV VP pointer (if present) and
         * vha->tcm_lport pointer
         */
-       lport = (struct tcm_qla2xxx_lport *)ha->tgt.target_lport_ptr;
+       lport = (struct tcm_qla2xxx_lport *)vha->vha_tgt.target_lport_ptr;
        lport->qla_vha = vha;
 
        return 0;
@@ -1621,7 +1617,6 @@ static void tcm_qla2xxx_drop_lport(struct se_wwn *wwn)
        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;
 
@@ -1630,8 +1625,8 @@ static void tcm_qla2xxx_drop_lport(struct se_wwn *wwn)
         * 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);
 
@@ -1650,6 +1645,9 @@ static struct se_wwn *tcm_qla2xxx_npiv_make_lport(
        struct tcm_qla2xxx_lport *lport;
        u64 npiv_wwpn, npiv_wwnn;
        int ret;
+       struct scsi_qla_host *vha = NULL;
+       struct qla_hw_data *ha = NULL;
+       scsi_qla_host_t *base_vha = NULL;
 
        if (tcm_qla2xxx_npiv_parse_wwn(name, strlen(name)+1,
                                &npiv_wwpn, &npiv_wwnn) < 0)
@@ -1666,12 +1664,29 @@ static struct se_wwn *tcm_qla2xxx_npiv_make_lport(
                        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(&tcm_qla2xxx_template, npiv_wwpn,
+                               tcm_qla2xxx_lport_register_cb, lport);
+
+       if (ret != 0)
+               goto out_lport;
+
+       vha = lport->qla_vha;
+       ha = vha->hw;
+       base_vha = pci_get_drvdata(ha->pdev);
+
+       if (!qla_tgt_mode_enabled(base_vha)) {
+               ret = -EPERM;
+               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);
@@ -1684,9 +1699,9 @@ static void tcm_qla2xxx_npiv_drop_lport(struct se_wwn *wwn)
        struct scsi_qla_host *vha = lport->qla_vha;
        struct Scsi_Host *sh = 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);
+       fc_vport_terminate(vha->fc_vport);
 
        scsi_host_put(sh);
        kfree(lport);
@@ -1769,14 +1784,16 @@ static struct target_core_fabric_ops tcm_qla2xxx_npiv_ops = {
        .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,
@@ -1871,7 +1888,8 @@ static int tcm_qla2xxx_register_configfs(void)
         * 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_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;

diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.h b/drivers/scsi/qla2xxx/tcm_qla2xxx.h
index 771f7b8..275d8b9 100644 (file)
--- a/drivers/scsi/qla2xxx/tcm_qla2xxx.h
+++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.h
@@ -70,12 +70,8 @@ struct tcm_qla2xxx_lport {
        struct tcm_qla2xxx_fc_loopid *lport_loopid_map;
        /* Pointer to struct scsi_qla_host from qla2xxx LLD */
        struct scsi_qla_host *qla_vha;
-       /* Pointer to struct scsi_qla_host for NPIV VP from qla2xxx LLD */
-       struct scsi_qla_host *qla_npiv_vp;
        /* Pointer to struct qla_tgt pointer */
        struct qla_tgt lport_qla_tgt;
-       /* Pointer to struct fc_vport for NPIV vport from libfc */
-       struct fc_vport *npiv_vport;
        /* Pointer to TPG=1 for non NPIV mode */
        struct tcm_qla2xxx_tpg *tpg_1;
        /* Returned by tcm_qla2xxx_make_lport() */